-44.38% is the change from 818 to 455
Calculation steps:
[( 455 - 818 ) ÷ 818] x 100 = -44.38%
Formula
Percentage change = [(455 - 818) / 818] x 100
Subtract the new number by the original number
455 - 818 = -363
-363 ÷ 818 = -0.44376528117359415
-0.44376528117359415 x 100 = -44.38%