-55.14% is the change from 486 to 218
Calculation steps:
[( 218 - 486 ) ÷ 486] x 100 = -55.14%
Formula
Percentage change = [(218 - 486) / 486] x 100
Subtract the new number by the original number
218 - 486 = -268
-268 ÷ 486 = -0.551440329218107
-0.551440329218107 x 100 = -55.14%