-87.33% is the change from 789 to 100
Calculation steps:
[( 100 - 789 ) ÷ 789] x 100 = -87.33%
Formula
Percentage change = [(100 - 789) / 789] x 100
Subtract the new number by the original number
100 - 789 = -689
-689 ÷ 789 = -0.8732572877059569
-0.8732572877059569 x 100 = -87.33%