-55.27% is the change from 550 to 246
Calculation steps:
[( 246 - 550 ) ÷ 550] x 100 = -55.27%
Formula
Percentage change = [(246 - 550) / 550] x 100
Subtract the new number by the original number
246 - 550 = -304
-304 ÷ 550 = -0.5527272727272727
-0.5527272727272727 x 100 = -55.27%