20.37% is the change from 540 to 650
Calculation steps:
[( 650 - 540 ) ÷ 540] x 100 = 20.37%
Formula
Percentage change = [(650 - 540) / 540] x 100
Subtract the new number by the original number
650 - 540 = 110
110 ÷ 540 = 0.2037037037037037
0.2037037037037037 x 100 = 20.37%