-54.73% is the change from 486 to 220
Calculation steps:
[( 220 - 486 ) ÷ 486] x 100 = -54.73%
Formula
Percentage change = [(220 - 486) / 486] x 100
Subtract the new number by the original number
220 - 486 = -266
-266 ÷ 486 = -0.5473251028806584
-0.5473251028806584 x 100 = -54.73%