-77.99% is the change from 786 to 173
Calculation steps:
[( 173 - 786 ) ÷ 786] x 100 = -77.99%
Formula
Percentage change = [(173 - 786) / 786] x 100
Subtract the new number by the original number
173 - 786 = -613
-613 ÷ 786 = -0.7798982188295165
-0.7798982188295165 x 100 = -77.99%