-12.25% is the change from 939 to 824
Calculation steps:
[( 824 - 939 ) ÷ 939] x 100 = -12.25%
Formula
Percentage change = [(824 - 939) / 939] x 100
Subtract the new number by the original number
824 - 939 = -115
-115 ÷ 939 = -0.12247071352502663
-0.12247071352502663 x 100 = -12.25%