-38.56% is the change from 778 to 478
Calculation steps:
[( 478 - 778 ) ÷ 778] x 100 = -38.56%
Formula
Percentage change = [(478 - 778) / 778] x 100
Subtract the new number by the original number
478 - 778 = -300
-300 ÷ 778 = -0.3856041131105398
-0.3856041131105398 x 100 = -38.56%