-10.42% is the change from 931 to 834
Calculation steps:
[( 834 - 931 ) ÷ 931] x 100 = -10.42%
Formula
Percentage change = [(834 - 931) / 931] x 100
Subtract the new number by the original number
834 - 931 = -97
-97 ÷ 931 = -0.1041890440386681
-0.1041890440386681 x 100 = -10.42%