-69.38% is the change from 418 to 128
Calculation steps:
[( 128 - 418 ) ÷ 418] x 100 = -69.38%
Formula
Percentage change = [(128 - 418) / 418] x 100
Subtract the new number by the original number
128 - 418 = -290
-290 ÷ 418 = -0.69377990430622
-0.69377990430622 x 100 = -69.38%