-85.77% is the change from 478 to 68
Calculation steps:
[( 68 - 478 ) ÷ 478] x 100 = -85.77%
Formula
Percentage change = [(68 - 478) / 478] x 100
Subtract the new number by the original number
68 - 478 = -410
-410 ÷ 478 = -0.8577405857740585
-0.8577405857740585 x 100 = -85.77%