-57.88% is the change from 311 to 131
Calculation steps:
[( 131 - 311 ) ÷ 311] x 100 = -57.88%
Formula
Percentage change = [(131 - 311) / 311] x 100
Subtract the new number by the original number
131 - 311 = -180
-180 ÷ 311 = -0.5787781350482315
-0.5787781350482315 x 100 = -57.88%