-16.05% is the change from 486 to 408
Calculation steps:
[( 408 - 486 ) ÷ 486] x 100 = -16.05%
Formula
Percentage change = [(408 - 486) / 486] x 100
Subtract the new number by the original number
408 - 486 = -78
-78 ÷ 486 = -0.16049382716049382
-0.16049382716049382 x 100 = -16.05%