-49.38% is the change from 486 to 246
Calculation steps:
[( 246 - 486 ) ÷ 486] x 100 = -49.38%
Formula
Percentage change = [(246 - 486) / 486] x 100
Subtract the new number by the original number
246 - 486 = -240
-240 ÷ 486 = -0.49382716049382713
-0.49382716049382713 x 100 = -49.38%