-77.19% is the change from 868 to 198
Calculation steps:
[( 198 - 868 ) ÷ 868] x 100 = -77.19%
Formula
Percentage change = [(198 - 868) / 868] x 100
Subtract the new number by the original number
198 - 868 = -670
-670 ÷ 868 = -0.771889400921659
-0.771889400921659 x 100 = -77.19%