23.08% is the change from 52 to 64
Calculation steps:
[( 64 - 52 ) ÷ 52] x 100 = 23.08%
Formula
Percentage change = [(64 - 52) / 52] x 100
Subtract the new number by the original number
64 - 52 = 12
12 ÷ 52 = 0.23076923076923078
0.23076923076923078 x 100 = 23.08%