214.71% is the change from 136 to 428
Calculation steps:
[( 428 - 136 ) ÷ 136] x 100 = 214.71%
Formula
Percentage change = [(428 - 136) / 136] x 100
Subtract the new number by the original number
428 - 136 = 292
292 ÷ 136 = 2.1470588235294117
2.1470588235294117 x 100 = 214.71%