-38.4% is the change from 776 to 478
Calculation steps:
[( 478 - 776 ) ÷ 776] x 100 = -38.4%
Formula
Percentage change = [(478 - 776) / 776] x 100
Subtract the new number by the original number
478 - 776 = -298
-298 ÷ 776 = -0.38402061855670105
-0.38402061855670105 x 100 = -38.4%