-82.43% is the change from 478 to 84
Calculation steps:
[( 84 - 478 ) ÷ 478] x 100 = -82.43%
Formula
Percentage change = [(84 - 478) / 478] x 100
Subtract the new number by the original number
84 - 478 = -394
-394 ÷ 478 = -0.8242677824267782
-0.8242677824267782 x 100 = -82.43%
Example