-68.29% is the change from 246 to 78
Calculation steps:
[( 78 - 246 ) ÷ 246] x 100 = -68.29%
Formula
Percentage change = [(78 - 246) / 246] x 100
Subtract the new number by the original number
78 - 246 = -168
-168 ÷ 246 = -0.6829268292682927
-0.6829268292682927 x 100 = -68.29%