20.67% is the change from 537 to 648
Calculation steps:
[( 648 - 537 ) ÷ 537] x 100 = 20.67%
Formula
Percentage change = [(648 - 537) / 537] x 100
Subtract the new number by the original number
648 - 537 = 111
111 ÷ 537 = 0.20670391061452514
0.20670391061452514 x 100 = 20.67%