-18.05% is the change from 931 to 763
Calculation steps:
[( 763 - 931 ) ÷ 931] x 100 = -18.05%
Formula
Percentage change = [(763 - 931) / 931] x 100
Subtract the new number by the original number
763 - 931 = -168
-168 ÷ 931 = -0.18045112781954886
-0.18045112781954886 x 100 = -18.05%