21.04% is the change from 537 to 650
Calculation steps:
[( 650 - 537 ) ÷ 537] x 100 = 21.04%
Formula
Percentage change = [(650 - 537) / 537] x 100
Subtract the new number by the original number
650 - 537 = 113
113 ÷ 537 = 0.21042830540037244
0.21042830540037244 x 100 = 21.04%