-19.56% is the change from 455 to 366
Calculation steps:
[( 366 - 455 ) ÷ 455] x 100 = -19.56%
Formula
Percentage change = [(366 - 455) / 455] x 100
Subtract the new number by the original number
366 - 455 = -89
-89 ÷ 455 = -0.1956043956043956
-0.1956043956043956 x 100 = -19.56%