-15.25% is the change from 931 to 789
Calculation steps:
[( 789 - 931 ) ÷ 931] x 100 = -15.25%
Formula
Percentage change = [(789 - 931) / 931] x 100
Subtract the new number by the original number
789 - 931 = -142
-142 ÷ 931 = -0.15252416756176154
-0.15252416756176154 x 100 = -15.25%