56.57% is the change from 251 to 393
Calculation steps:
[( 393 - 251 ) ÷ 251] x 100 = 56.57%
Formula
Percentage change = [(393 - 251) / 251] x 100
Subtract the new number by the original number
393 - 251 = 142
142 ÷ 251 = 0.5657370517928287
0.5657370517928287 x 100 = 56.57%