-79.77% is the change from 786 to 159
Calculation steps:
[( 159 - 786 ) ÷ 786] x 100 = -79.77%
Formula
Percentage change = [(159 - 786) / 786] x 100
Subtract the new number by the original number
159 - 786 = -627
-627 ÷ 786 = -0.7977099236641222
-0.7977099236641222 x 100 = -79.77%