-40.19% is the change from 311 to 186
Calculation steps:
[( 186 - 311 ) ÷ 311] x 100 = -40.19%
Formula
Percentage change = [(186 - 311) / 311] x 100
Subtract the new number by the original number
186 - 311 = -125
-125 ÷ 311 = -0.40192926045016075
-0.40192926045016075 x 100 = -40.19%