83.82% is the change from 136 to 250
Calculation steps:
[( 250 - 136 ) ÷ 136] x 100 = 83.82%
Formula
Percentage change = [(250 - 136) / 136] x 100
Subtract the new number by the original number
250 - 136 = 114
114 ÷ 136 = 0.8382352941176471
0.8382352941176471 x 100 = 83.82%