-46.19% is the change from 931 to 501
Calculation steps:
[( 501 - 931 ) ÷ 931] x 100 = -46.19%
Formula
Percentage change = [(501 - 931) / 931] x 100
Subtract the new number by the original number
501 - 931 = -430
-430 ÷ 931 = -0.46186895810955964
-0.46186895810955964 x 100 = -46.19%