1081.69% is the change from 71 to 839
Calculation steps:
[( 839 - 71 ) ÷ 71] x 100 = 1081.69%
Formula
Percentage change = [(839 - 71) / 71] x 100
Subtract the new number by the original number
839 - 71 = 768
768 ÷ 71 = 10.816901408450704
10.816901408450704 x 100 = 1081.69%