-12.8% is the change from 945 to 824
Calculation steps:
[( 824 - 945 ) ÷ 945] x 100 = -12.8%
Formula
Percentage change = [(824 - 945) / 945] x 100
Subtract the new number by the original number
824 - 945 = -121
-121 ÷ 945 = -0.12804232804232804
-0.12804232804232804 x 100 = -12.8%