-78.82% is the change from 491 to 104
Calculation steps:
[( 104 - 491 ) ÷ 491] x 100 = -78.82%
Formula
Percentage change = [(104 - 491) / 491] x 100
Subtract the new number by the original number
104 - 491 = -387
-387 ÷ 491 = -0.7881873727087576
-0.7881873727087576 x 100 = -78.82%