-22.76% is the change from 870 to 672
Calculation steps:
[( 672 - 870 ) ÷ 870] x 100 = -22.76%
Formula
Percentage change = [(672 - 870) / 870] x 100
Subtract the new number by the original number
672 - 870 = -198
-198 ÷ 870 = -0.22758620689655173
-0.22758620689655173 x 100 = -22.76%