20.41% is the change from 539 to 649
Calculation steps:
[( 649 - 539 ) ÷ 539] x 100 = 20.41%
Formula
Percentage change = [(649 - 539) / 539] x 100
Subtract the new number by the original number
649 - 539 = 110
110 ÷ 539 = 0.20408163265306123
0.20408163265306123 x 100 = 20.41%