-3.62% is the change from 912 to 879
Calculation steps:
[( 879 - 912 ) ÷ 912] x 100 = -3.62%
Formula
Percentage change = [(879 - 912) / 912] x 100
Subtract the new number by the original number
879 - 912 = -33
-33 ÷ 912 = -0.03618421052631579
-0.03618421052631579 x 100 = -3.62%