36.65% is the change from 251 to 343
Calculation steps:
[( 343 - 251 ) ÷ 251] x 100 = 36.65%
Formula
Percentage change = [(343 - 251) / 251] x 100
Subtract the new number by the original number
343 - 251 = 92
92 ÷ 251 = 0.3665338645418327
0.3665338645418327 x 100 = 36.65%