-39.03% is the change from 784 to 478
Calculation steps:
[( 478 - 784 ) ÷ 784] x 100 = -39.03%
Formula
Percentage change = [(478 - 784) / 784] x 100
Subtract the new number by the original number
478 - 784 = -306
-306 ÷ 784 = -0.3903061224489796
-0.3903061224489796 x 100 = -39.03%