-80.28% is the change from 786 to 155
Calculation steps:
[( 155 - 786 ) ÷ 786] x 100 = -80.28%
Formula
Percentage change = [(155 - 786) / 786] x 100
Subtract the new number by the original number
155 - 786 = -631
-631 ÷ 786 = -0.8027989821882952
-0.8027989821882952 x 100 = -80.28%