-12.91% is the change from 945 to 823
Calculation steps:
[( 823 - 945 ) ÷ 945] x 100 = -12.91%
Formula
Percentage change = [(823 - 945) / 945] x 100
Subtract the new number by the original number
823 - 945 = -122
-122 ÷ 945 = -0.1291005291005291
-0.1291005291005291 x 100 = -12.91%