-45.27% is the change from 919 to 503
Calculation steps:
[( 503 - 919 ) ÷ 919] x 100 = -45.27%
Formula
Percentage change = [(503 - 919) / 919] x 100
Subtract the new number by the original number
503 - 919 = -416
-416 ÷ 919 = -0.45266594124047876
-0.45266594124047876 x 100 = -45.27%