Final answer:
The percent of decrease from 2,000 to 40 is 98%.
Step-by-step explanation:
The percent of decrease from 2,000 to 40 can be calculated by finding the difference between the two numbers and then dividing it by the original number. In this case, the difference is 2,000 - 40 = 1,960. Dividing this by the original number (2,000) gives us 1,960 / 2,000 = 0.98. To express this as a percentage, we multiply by 100: 0.98 * 100 = 98%. Therefore, the percent of decrease from 2,000 to 40 is 98%.
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