-61.54% is the change from 52 to 20
Calculation steps:
[( 20 - 52 ) ÷ 52] x 100 = -61.54%
Formula
Percentage change = [(20 - 52) / 52] x 100
Subtract the new number by the original number
20 - 52 = -32
-32 ÷ 52 = -0.6153846153846154
-0.6153846153846154 x 100 = -61.54%