-13.21% is the change from 931 to 808
Calculation steps:
[( 808 - 931 ) ÷ 931] x 100 = -13.21%
Formula
Percentage change = [(808 - 931) / 931] x 100
Subtract the new number by the original number
808 - 931 = -123
-123 ÷ 931 = -0.13211600429645542
-0.13211600429645542 x 100 = -13.21%