-49.86% is the change from 355 to 178
Calculation steps:
[( 178 - 355 ) ÷ 355] x 100 = -49.86%
Formula
Percentage change = [(178 - 355) / 355] x 100
Subtract the new number by the original number
178 - 355 = -177
-177 ÷ 355 = -0.49859154929577465
-0.49859154929577465 x 100 = -49.86%