211.03% is the change from 136 to 423
Calculation steps:
[( 423 - 136 ) ÷ 136] x 100 = 211.03%
Formula
Percentage change = [(423 - 136) / 136] x 100
Subtract the new number by the original number
423 - 136 = 287
287 ÷ 136 = 2.110294117647059
2.110294117647059 x 100 = 211.03%