-20.16% is the change from 486 to 388
Calculation steps:
[( 388 - 486 ) ÷ 486] x 100 = -20.16%
Formula
Percentage change = [(388 - 486) / 486] x 100
Subtract the new number by the original number
388 - 486 = -98
-98 ÷ 486 = -0.20164609053497942
-0.20164609053497942 x 100 = -20.16%