-79.75% is the change from 790 to 160
Calculation steps:
[( 160 - 790 ) ÷ 790] x 100 = -79.75%
Formula
Percentage change = [(160 - 790) / 790] x 100
Subtract the new number by the original number
160 - 790 = -630
-630 ÷ 790 = -0.7974683544303798
-0.7974683544303798 x 100 = -79.75%