-40.45% is the change from 764 to 455
Calculation steps:
[( 455 - 764 ) ÷ 764] x 100 = -40.45%
Formula
Percentage change = [(455 - 764) / 764] x 100
Subtract the new number by the original number
455 - 764 = -309
-309 ÷ 764 = -0.40445026178010474
-0.40445026178010474 x 100 = -40.45%