-39.8% is the change from 794 to 478
Calculation steps:
[( 478 - 794 ) ÷ 794] x 100 = -39.8%
Formula
Percentage change = [(478 - 794) / 794] x 100
Subtract the new number by the original number
478 - 794 = -316
-316 ÷ 794 = -0.3979848866498741
-0.3979848866498741 x 100 = -39.8%