-23.17% is the change from 872 to 670
Calculation steps:
[( 670 - 872 ) ÷ 872] x 100 = -23.17%
Formula
Percentage change = [(670 - 872) / 872] x 100
Subtract the new number by the original number
670 - 872 = -202
-202 ÷ 872 = -0.231651376146789
-0.231651376146789 x 100 = -23.17%