982.72% is the change from 81 to 877
Calculation steps:
[( 877 - 81 ) ÷ 81] x 100 = 982.72%
Formula
Percentage change = [(877 - 81) / 81] x 100
Subtract the new number by the original number
877 - 81 = 796
796 ÷ 81 = 9.82716049382716
9.82716049382716 x 100 = 982.72%