1043.37% is the change from 83 to 949
Calculation steps:
[( 949 - 83 ) ÷ 83] x 100 = 1043.37%
Formula
Percentage change = [(949 - 83) / 83] x 100
Subtract the new number by the original number
949 - 83 = 866
866 ÷ 83 = 10.433734939759036
10.433734939759036 x 100 = 1043.37%