20.75% is the change from 53 to 64
Calculation steps:
[( 64 - 53 ) ÷ 53] x 100 = 20.75%
Formula
Percentage change = [(64 - 53) / 53] x 100
Subtract the new number by the original number
64 - 53 = 11
11 ÷ 53 = 0.20754716981132076
0.20754716981132076 x 100 = 20.75%