628.68% is the change from 136 to 991
Calculation steps:
[( 991 - 136 ) ÷ 136] x 100 = 628.68%
Formula
Percentage change = [(991 - 136) / 136] x 100
Subtract the new number by the original number
991 - 136 = 855
855 ÷ 136 = 6.286764705882353
6.286764705882353 x 100 = 628.68%