-3.29% is the change from 942 to 911
Calculation steps:
[( 911 - 942 ) ÷ 942] x 100 = -3.29%
Formula
Percentage change = [(911 - 942) / 942] x 100
Subtract the new number by the original number
911 - 942 = -31
-31 ÷ 942 = -0.032908704883227176
-0.032908704883227176 x 100 = -3.29%