63.46% is the change from 52 to 85
Calculation steps:
[( 85 - 52 ) ÷ 52] x 100 = 63.46%
Formula
Percentage change = [(85 - 52) / 52] x 100
Subtract the new number by the original number
85 - 52 = 33
33 ÷ 52 = 0.6346153846153846
0.6346153846153846 x 100 = 63.46%