51.03% is the change from 437 to 660
Calculation steps:
[( 660 - 437 ) ÷ 437] x 100 = 51.03%
Formula
Percentage change = [(660 - 437) / 437] x 100
Subtract the new number by the original number
660 - 437 = 223
223 ÷ 437 = 0.5102974828375286
0.5102974828375286 x 100 = 51.03%