-55.95% is the change from 311 to 137
Calculation steps:
[( 137 - 311 ) ÷ 311] x 100 = -55.95%
Formula
Percentage change = [(137 - 311) / 311] x 100
Subtract the new number by the original number
137 - 311 = -174
-174 ÷ 311 = -0.5594855305466238
-0.5594855305466238 x 100 = -55.95%