-84.66% is the change from 789 to 121
Calculation steps:
[( 121 - 789 ) ÷ 789] x 100 = -84.66%
Formula
Percentage change = [(121 - 789) / 789] x 100
Subtract the new number by the original number
121 - 789 = -668
-668 ÷ 789 = -0.8466413181242078
-0.8466413181242078 x 100 = -84.66%