-12.8% is the change from 789 to 688
Calculation steps:
[( 688 - 789 ) ÷ 789] x 100 = -12.8%
Formula
Percentage change = [(688 - 789) / 789] x 100
Subtract the new number by the original number
688 - 789 = -101
-101 ÷ 789 = -0.12801013941698353
-0.12801013941698353 x 100 = -12.8%