53.54% is the change from 254 to 390
Calculation steps:
[( 390 - 254 ) ÷ 254] x 100 = 53.54%
Formula
Percentage change = [(390 - 254) / 254] x 100
Subtract the new number by the original number
390 - 254 = 136
136 ÷ 254 = 0.5354330708661418
0.5354330708661418 x 100 = 53.54%