-51.9% is the change from 946 to 455
Calculation steps:
[( 455 - 946 ) ÷ 946] x 100 = -51.9%
Formula
Percentage change = [(455 - 946) / 946] x 100
Subtract the new number by the original number
455 - 946 = -491
-491 ÷ 946 = -0.5190274841437632
-0.5190274841437632 x 100 = -51.9%