-9.2% is the change from 924 to 839
Calculation steps:
[( 839 - 924 ) ÷ 924] x 100 = -9.2%
Formula
Percentage change = [(839 - 924) / 924] x 100
Subtract the new number by the original number
839 - 924 = -85
-85 ÷ 924 = -0.09199134199134198
-0.09199134199134198 x 100 = -9.2%