1013.58% is the change from 81 to 902
Calculation steps:
[( 902 - 81 ) ÷ 81] x 100 = 1013.58%
Formula
Percentage change = [(902 - 81) / 81] x 100
Subtract the new number by the original number
902 - 81 = 821
821 ÷ 81 = 10.135802469135802
10.135802469135802 x 100 = 1013.58%