-50.38% is the change from 919 to 456
Calculation steps:
[( 456 - 919 ) ÷ 919] x 100 = -50.38%
Formula
Percentage change = [(456 - 919) / 919] x 100
Subtract the new number by the original number
456 - 919 = -463
-463 ÷ 919 = -0.5038084874863983
-0.5038084874863983 x 100 = -50.38%