-68.25% is the change from 252 to 80
Calculation steps:
[( 80 - 252 ) ÷ 252] x 100 = -68.25%
Formula
Percentage change = [(80 - 252) / 252] x 100
Subtract the new number by the original number
80 - 252 = -172
-172 ÷ 252 = -0.6825396825396826
-0.6825396825396826 x 100 = -68.25%