-16.76% is the change from 931 to 775
Calculation steps:
[( 775 - 931 ) ÷ 931] x 100 = -16.76%
Formula
Percentage change = [(775 - 931) / 931] x 100
Subtract the new number by the original number
775 - 931 = -156
-156 ÷ 931 = -0.16756176154672395
-0.16756176154672395 x 100 = -16.76%