-15.9% is the change from 786 to 661
Calculation steps:
[( 661 - 786 ) ÷ 786] x 100 = -15.9%
Formula
Percentage change = [(661 - 786) / 786] x 100
Subtract the new number by the original number
661 - 786 = -125
-125 ÷ 786 = -0.15903307888040713
-0.15903307888040713 x 100 = -15.9%