-80.25% is the change from 795 to 157
Calculation steps:
[( 157 - 795 ) ÷ 795] x 100 = -80.25%
Formula
Percentage change = [(157 - 795) / 795] x 100
Subtract the new number by the original number
157 - 795 = -638
-638 ÷ 795 = -0.8025157232704403
-0.8025157232704403 x 100 = -80.25%