-40.89% is the change from 768 to 454
Calculation steps:
[( 454 - 768 ) ÷ 768] x 100 = -40.89%
Formula
Percentage change = [(454 - 768) / 768] x 100
Subtract the new number by the original number
454 - 768 = -314
-314 ÷ 768 = -0.4088541666666667
-0.4088541666666667 x 100 = -40.89%