-80.1% is the change from 789 to 157
Calculation steps:
[( 157 - 789 ) ÷ 789] x 100 = -80.1%
Formula
Percentage change = [(157 - 789) / 789] x 100
Subtract the new number by the original number
157 - 789 = -632
-632 ÷ 789 = -0.8010139416983524
-0.8010139416983524 x 100 = -80.1%