-31.75% is the change from 252 to 172
Calculation steps:
[( 172 - 252 ) ÷ 252] x 100 = -31.75%
Formula
Percentage change = [(172 - 252) / 252] x 100
Subtract the new number by the original number
172 - 252 = -80
-80 ÷ 252 = -0.31746031746031744
-0.31746031746031744 x 100 = -31.75%