-47.58% is the change from 931 to 488
Calculation steps:
[( 488 - 931 ) ÷ 931] x 100 = -47.58%
Formula
Percentage change = [(488 - 931) / 931] x 100
Subtract the new number by the original number
488 - 931 = -443
-443 ÷ 931 = -0.4758324382384533
-0.4758324382384533 x 100 = -47.58%