-22.36% is the change from 863 to 670
Calculation steps:
[( 670 - 863 ) ÷ 863] x 100 = -22.36%
Formula
Percentage change = [(670 - 863) / 863] x 100
Subtract the new number by the original number
670 - 863 = -193
-193 ÷ 863 = -0.22363847045191193
-0.22363847045191193 x 100 = -22.36%