-14.68% is the change from 252 to 215
Calculation steps:
[( 215 - 252 ) ÷ 252] x 100 = -14.68%
Formula
Percentage change = [(215 - 252) / 252] x 100
Subtract the new number by the original number
215 - 252 = -37
-37 ÷ 252 = -0.14682539682539683
-0.14682539682539683 x 100 = -14.68%