-42.77% is the change from 311 to 178
Calculation steps:
[( 178 - 311 ) ÷ 311] x 100 = -42.77%
Formula
Percentage change = [(178 - 311) / 311] x 100
Subtract the new number by the original number
178 - 311 = -133
-133 ÷ 311 = -0.42765273311897106
-0.42765273311897106 x 100 = -42.77%