-67.74% is the change from 248 to 80
Calculation steps:
[( 80 - 248 ) ÷ 248] x 100 = -67.74%
Formula
Percentage change = [(80 - 248) / 248] x 100
Subtract the new number by the original number
80 - 248 = -168
-168 ÷ 248 = -0.6774193548387096
-0.6774193548387096 x 100 = -67.74%