21.52% is the change from 539 to 655
Calculation steps:
[( 655 - 539 ) ÷ 539] x 100 = 21.52%
Formula
Percentage change = [(655 - 539) / 539] x 100
Subtract the new number by the original number
655 - 539 = 116
116 ÷ 539 = 0.21521335807050093
0.21521335807050093 x 100 = 21.52%