-46.12% is the change from 503 to 271
Calculation steps:
[( 271 - 503 ) ÷ 503] x 100 = -46.12%
Formula
Percentage change = [(271 - 503) / 503] x 100
Subtract the new number by the original number
271 - 503 = -232
-232 ÷ 503 = -0.46123260437375746
-0.46123260437375746 x 100 = -46.12%