981.25% is the change from 80 to 865
Calculation steps:
[( 865 - 80 ) ÷ 80] x 100 = 981.25%
Formula
Percentage change = [(865 - 80) / 80] x 100
Subtract the new number by the original number
865 - 80 = 785
785 ÷ 80 = 9.8125
9.8125 x 100 = 981.25%
Example