20.48% is the change from 537 to 647
Calculation steps:
[( 647 - 537 ) ÷ 537] x 100 = 20.48%
Formula
Percentage change = [(647 - 537) / 537] x 100
Subtract the new number by the original number
647 - 537 = 110
110 ÷ 537 = 0.2048417132216015
0.2048417132216015 x 100 = 20.48%