-34.13% is the change from 252 to 166
Calculation steps:
[( 166 - 252 ) ÷ 252] x 100 = -34.13%
Formula
Percentage change = [(166 - 252) / 252] x 100
Subtract the new number by the original number
166 - 252 = -86
-86 ÷ 252 = -0.3412698412698413
-0.3412698412698413 x 100 = -34.13%