-74.9% is the change from 789 to 198
Calculation steps:
[( 198 - 789 ) ÷ 789] x 100 = -74.9%
Formula
Percentage change = [(198 - 789) / 789] x 100
Subtract the new number by the original number
198 - 789 = -591
-591 ÷ 789 = -0.7490494296577946
-0.7490494296577946 x 100 = -74.9%