-55.21% is the change from 317 to 142
Calculation steps:
[( 142 - 317 ) ÷ 317] x 100 = -55.21%
Formula
Percentage change = [(142 - 317) / 317] x 100
Subtract the new number by the original number
142 - 317 = -175
-175 ÷ 317 = -0.5520504731861199
-0.5520504731861199 x 100 = -55.21%