-80.25% is the change from 785 to 155
Calculation steps:
[( 155 - 785 ) ÷ 785] x 100 = -80.25%
Formula
Percentage change = [(155 - 785) / 785] x 100
Subtract the new number by the original number
155 - 785 = -630
-630 ÷ 785 = -0.802547770700637
-0.802547770700637 x 100 = -80.25%