20.52% is the change from 536 to 646
Calculation steps:
[( 646 - 536 ) ÷ 536] x 100 = 20.52%
Formula
Percentage change = [(646 - 536) / 536] x 100
Subtract the new number by the original number
646 - 536 = 110
110 ÷ 536 = 0.20522388059701493
0.20522388059701493 x 100 = 20.52%