-42.21% is the change from 308 to 178
Calculation steps:
[( 178 - 308 ) ÷ 308] x 100 = -42.21%
Formula
Percentage change = [(178 - 308) / 308] x 100
Subtract the new number by the original number
178 - 308 = -130
-130 ÷ 308 = -0.42207792207792205
-0.42207792207792205 x 100 = -42.21%