-13.12% is the change from 945 to 821
Calculation steps:
[( 821 - 945 ) ÷ 945] x 100 = -13.12%
Formula
Percentage change = [(821 - 945) / 945] x 100
Subtract the new number by the original number
821 - 945 = -124
-124 ÷ 945 = -0.1312169312169312
-0.1312169312169312 x 100 = -13.12%