40.64% is the change from 251 to 353
Calculation steps:
[( 353 - 251 ) ÷ 251] x 100 = 40.64%
Formula
Percentage change = [(353 - 251) / 251] x 100
Subtract the new number by the original number
353 - 251 = 102
102 ÷ 251 = 0.4063745019920319
0.4063745019920319 x 100 = 40.64%