-59.75% is the change from 318 to 128
Calculation steps:
[( 128 - 318 ) ÷ 318] x 100 = -59.75%
Formula
Percentage change = [(128 - 318) / 318] x 100
Subtract the new number by the original number
128 - 318 = -190
-190 ÷ 318 = -0.5974842767295597
-0.5974842767295597 x 100 = -59.75%