21.89% is the change from 539 to 657
Calculation steps:
[( 657 - 539 ) ÷ 539] x 100 = 21.89%
Formula
Percentage change = [(657 - 539) / 539] x 100
Subtract the new number by the original number
657 - 539 = 118
118 ÷ 539 = 0.2189239332096475
0.2189239332096475 x 100 = 21.89%