-50.2% is the change from 494 to 246
Calculation steps:
[( 246 - 494 ) ÷ 494] x 100 = -50.2%
Formula
Percentage change = [(246 - 494) / 494] x 100
Subtract the new number by the original number
246 - 494 = -248
-248 ÷ 494 = -0.5020242914979757
-0.5020242914979757 x 100 = -50.2%