-71.83% is the change from 252 to 71
Calculation steps:
[( 71 - 252 ) ÷ 252] x 100 = -71.83%
Formula
Percentage change = [(71 - 252) / 252] x 100
Subtract the new number by the original number
71 - 252 = -181
-181 ÷ 252 = -0.7182539682539683
-0.7182539682539683 x 100 = -71.83%