-79.75% is the change from 785 to 159
Calculation steps:
[( 159 - 785 ) ÷ 785] x 100 = -79.75%
Formula
Percentage change = [(159 - 785) / 785] x 100
Subtract the new number by the original number
159 - 785 = -626
-626 ÷ 785 = -0.7974522292993631
-0.7974522292993631 x 100 = -79.75%