-41.41% is the change from 768 to 450
Calculation steps:
[( 450 - 768 ) ÷ 768] x 100 = -41.41%
Formula
Percentage change = [(450 - 768) / 768] x 100
Subtract the new number by the original number
450 - 768 = -318
-318 ÷ 768 = -0.4140625
-0.4140625 x 100 = -41.41%