-57.55% is the change from 318 to 135
Calculation steps:
[( 135 - 318 ) ÷ 318] x 100 = -57.55%
Formula
Percentage change = [(135 - 318) / 318] x 100
Subtract the new number by the original number
135 - 318 = -183
-183 ÷ 318 = -0.5754716981132075
-0.5754716981132075 x 100 = -57.55%