-27.34% is the change from 867 to 630
Calculation steps:
[( 630 - 867 ) ÷ 867] x 100 = -27.34%
Formula
Percentage change = [(630 - 867) / 867] x 100
Subtract the new number by the original number
630 - 867 = -237
-237 ÷ 867 = -0.27335640138408307
-0.27335640138408307 x 100 = -27.34%