-50.71% is the change from 919 to 453
Calculation steps:
[( 453 - 919 ) ÷ 919] x 100 = -50.71%
Formula
Percentage change = [(453 - 919) / 919] x 100
Subtract the new number by the original number
453 - 919 = -466
-466 ÷ 919 = -0.5070729053318824
-0.5070729053318824 x 100 = -50.71%