-37.6% is the change from 766 to 478
Calculation steps:
[( 478 - 766 ) ÷ 766] x 100 = -37.6%
Formula
Percentage change = [(478 - 766) / 766] x 100
Subtract the new number by the original number
478 - 766 = -288
-288 ÷ 766 = -0.37597911227154046
-0.37597911227154046 x 100 = -37.6%