50.34% is the change from 437 to 657
Calculation steps:
[( 657 - 437 ) ÷ 437] x 100 = 50.34%
Formula
Percentage change = [(657 - 437) / 437] x 100
Subtract the new number by the original number
657 - 437 = 220
220 ÷ 437 = 0.5034324942791762
0.5034324942791762 x 100 = 50.34%