-3.76% is the change from 904 to 870
Calculation steps:
[( 870 - 904 ) ÷ 904] x 100 = -3.76%
Formula
Percentage change = [(870 - 904) / 904] x 100
Subtract the new number by the original number
870 - 904 = -34
-34 ÷ 904 = -0.03761061946902655
-0.03761061946902655 x 100 = -3.76%