-50.81% is the change from 246 to 121
Calculation steps:
[( 121 - 246 ) ÷ 246] x 100 = -50.81%
Formula
Percentage change = [(121 - 246) / 246] x 100
Subtract the new number by the original number
121 - 246 = -125
-125 ÷ 246 = -0.508130081300813
-0.508130081300813 x 100 = -50.81%