-57.46% is the change from 731 to 311
Calculation steps:
[( 311 - 731 ) ÷ 731] x 100 = -57.46%
Formula
Percentage change = [(311 - 731) / 731] x 100
Subtract the new number by the original number
311 - 731 = -420
-420 ÷ 731 = -0.5745554035567716
-0.5745554035567716 x 100 = -57.46%