-85.56% is the change from 478 to 69
Calculation steps:
[( 69 - 478 ) ÷ 478] x 100 = -85.56%
Formula
Percentage change = [(69 - 478) / 478] x 100
Subtract the new number by the original number
69 - 478 = -409
-409 ÷ 478 = -0.8556485355648535
-0.8556485355648535 x 100 = -85.56%