-53.7% is the change from 311 to 144
Calculation steps:
[( 144 - 311 ) ÷ 311] x 100 = -53.7%
Formula
Percentage change = [(144 - 311) / 311] x 100
Subtract the new number by the original number
144 - 311 = -167
-167 ÷ 311 = -0.5369774919614148
-0.5369774919614148 x 100 = -53.7%