-89.95% is the change from 786 to 79
Calculation steps:
[( 79 - 786 ) ÷ 786] x 100 = -89.95%
Formula
Percentage change = [(79 - 786) / 786] x 100
Subtract the new number by the original number
79 - 786 = -707
-707 ÷ 786 = -0.8994910941475827
-0.8994910941475827 x 100 = -89.95%