-14.77% is the change from 975 to 831
Calculation steps:
[( 831 - 975 ) ÷ 975] x 100 = -14.77%
Formula
Percentage change = [(831 - 975) / 975] x 100
Subtract the new number by the original number
831 - 975 = -144
-144 ÷ 975 = -0.1476923076923077
-0.1476923076923077 x 100 = -14.77%