-88.16% is the change from 659 to 78
Calculation steps:
[( 78 - 659 ) ÷ 659] x 100 = -88.16%
Formula
Percentage change = [(78 - 659) / 659] x 100
Subtract the new number by the original number
78 - 659 = -581
-581 ÷ 659 = -0.881638846737481
-0.881638846737481 x 100 = -88.16%