-50.21% is the change from 486 to 242
Calculation steps:
[( 242 - 486 ) ÷ 486] x 100 = -50.21%
Formula
Percentage change = [(242 - 486) / 486] x 100
Subtract the new number by the original number
242 - 486 = -244
-244 ÷ 486 = -0.5020576131687243
-0.5020576131687243 x 100 = -50.21%