-21.22% is the change from 490 to 386
Calculation steps:
[( 386 - 490 ) ÷ 490] x 100 = -21.22%
Formula
Percentage change = [(386 - 490) / 490] x 100
Subtract the new number by the original number
386 - 490 = -104
-104 ÷ 490 = -0.21224489795918366
-0.21224489795918366 x 100 = -21.22%