-12.06% is the change from 945 to 831
Calculation steps:
[( 831 - 945 ) ÷ 945] x 100 = -12.06%
Formula
Percentage change = [(831 - 945) / 945] x 100
Subtract the new number by the original number
831 - 945 = -114
-114 ÷ 945 = -0.12063492063492064
-0.12063492063492064 x 100 = -12.06%