1061.45% is the change from 83 to 964
Calculation steps:
[( 964 - 83 ) ÷ 83] x 100 = 1061.45%
Formula
Percentage change = [(964 - 83) / 83] x 100
Subtract the new number by the original number
964 - 83 = 881
881 ÷ 83 = 10.614457831325302
10.614457831325302 x 100 = 1061.45%