-9.9% is the change from 939 to 846
Calculation steps:
[( 846 - 939 ) ÷ 939] x 100 = -9.9%
Formula
Percentage change = [(846 - 939) / 939] x 100
Subtract the new number by the original number
846 - 939 = -93
-93 ÷ 939 = -0.09904153354632587
-0.09904153354632587 x 100 = -9.9%