-8% is the change from 938 to 863
Calculation steps:
[( 863 - 938 ) ÷ 938] x 100 = -8%
Formula
Percentage change = [(863 - 938) / 938] x 100
Subtract the new number by the original number
863 - 938 = -75
-75 ÷ 938 = -0.07995735607675906
-0.07995735607675906 x 100 = -8%