-68.55% is the change from 248 to 78
Calculation steps:
[( 78 - 248 ) ÷ 248] x 100 = -68.55%
Formula
Percentage change = [(78 - 248) / 248] x 100
Subtract the new number by the original number
78 - 248 = -170
-170 ÷ 248 = -0.6854838709677419
-0.6854838709677419 x 100 = -68.55%