186.76% is the change from 136 to 390
Calculation steps:
[( 390 - 136 ) ÷ 136] x 100 = 186.76%
Formula
Percentage change = [(390 - 136) / 136] x 100
Subtract the new number by the original number
390 - 136 = 254
254 ÷ 136 = 1.8676470588235294
1.8676470588235294 x 100 = 186.76%