-42.16% is the change from 778 to 450
Calculation steps:
[( 450 - 778 ) ÷ 778] x 100 = -42.16%
Formula
Percentage change = [(450 - 778) / 778] x 100
Subtract the new number by the original number
450 - 778 = -328
-328 ÷ 778 = -0.42159383033419023
-0.42159383033419023 x 100 = -42.16%