-55.35% is the change from 318 to 142
Calculation steps:
[( 142 - 318 ) ÷ 318] x 100 = -55.35%
Formula
Percentage change = [(142 - 318) / 318] x 100
Subtract the new number by the original number
142 - 318 = -176
-176 ÷ 318 = -0.5534591194968553
-0.5534591194968553 x 100 = -55.35%