-73.5% is the change from 868 to 230
Calculation steps:
[( 230 - 868 ) ÷ 868] x 100 = -73.5%
Formula
Percentage change = [(230 - 868) / 868] x 100
Subtract the new number by the original number
230 - 868 = -638
-638 ÷ 868 = -0.7350230414746544
-0.7350230414746544 x 100 = -73.5%