Final answer:
The increase from 56.3 to 68.3 is 12.0, which represents an approximately 21.31% increase from the original value. So the increase from 56.3 to 68.3 is 12 Units which is approximately 21.31% of the increase.
Step-by-step explanation:
The increase from 56.3 to 68.3 is calculated by subtracting the original number from the new number:
68.3 - 56.3 = 12.0.
So, the increase is 12.0. To express this rise as a percentage, you subtract the original from the new number, divide by the original number, and then multiply by 100:
(68.3 - 56.3) / 56.3 × 100 = approximately 21.31%.