1071.6% is the change from 81 to 949
Calculation steps:
[( 949 - 81 ) ÷ 81] x 100 = 1071.6%
Formula
Percentage change = [(949 - 81) / 81] x 100
Subtract the new number by the original number
949 - 81 = 868
868 ÷ 81 = 10.716049382716049
10.716049382716049 x 100 = 1071.6%