19.68% is the change from 437 to 523
Calculation steps:
[( 523 - 437 ) ÷ 437] x 100 = 19.68%
Formula
Percentage change = [(523 - 437) / 437] x 100
Subtract the new number by the original number
523 - 437 = 86
86 ÷ 437 = 0.19679633867276888
0.19679633867276888 x 100 = 19.68%