-79.9% is the change from 786 to 158
Calculation steps:
[( 158 - 786 ) ÷ 786] x 100 = -79.9%
Formula
Percentage change = [(158 - 786) / 786] x 100
Subtract the new number by the original number
158 - 786 = -628
-628 ÷ 786 = -0.7989821882951654
-0.7989821882951654 x 100 = -79.9%