-78.78% is the change from 490 to 104
Calculation steps:
[( 104 - 490 ) ÷ 490] x 100 = -78.78%
Formula
Percentage change = [(104 - 490) / 490] x 100
Subtract the new number by the original number
104 - 490 = -386
-386 ÷ 490 = -0.7877551020408163
-0.7877551020408163 x 100 = -78.78%