-60.96% is the change from 438 to 171
Calculation steps:
[( 171 - 438 ) ÷ 438] x 100 = -60.96%
Formula
Percentage change = [(171 - 438) / 438] x 100
Subtract the new number by the original number
171 - 438 = -267
-267 ÷ 438 = -0.6095890410958904
-0.6095890410958904 x 100 = -60.96%