-76.87% is the change from 856 to 198
Calculation steps:
[( 198 - 856 ) ÷ 856] x 100 = -76.87%
Formula
Percentage change = [(198 - 856) / 856] x 100
Subtract the new number by the original number
198 - 856 = -658
-658 ÷ 856 = -0.7686915887850467
-0.7686915887850467 x 100 = -76.87%