-12.46% is the change from 939 to 822
Calculation steps:
[( 822 - 939 ) ÷ 939] x 100 = -12.46%
Formula
Percentage change = [(822 - 939) / 939] x 100
Subtract the new number by the original number
822 - 939 = -117
-117 ÷ 939 = -0.12460063897763578
-0.12460063897763578 x 100 = -12.46%