137.8% is the change from 164 to 390
Calculation steps:
[( 390 - 164 ) ÷ 164] x 100 = 137.8%
Formula
Percentage change = [(390 - 164) / 164] x 100
Subtract the new number by the original number
390 - 164 = 226
226 ÷ 164 = 1.3780487804878048
1.3780487804878048 x 100 = 137.8%