Answer:
Percent of change in altitude = 90 %
Since the altitude increases from 50 ft to 95 ft the change is positive.
Explanation:
Initial altitude, = 50 ft
Final altitude, = 95 ft
Increase in altitude = 95 - 50 = 45 ft
Percentage increase

Percent of change in altitude = 90 %
Since the altitude increases from 50 ft to 95 ft the change is positive.