-45.91% is the change from 501 to 271
Calculation steps:
[( 271 - 501 ) ÷ 501] x 100 = -45.91%
Formula
Percentage change = [(271 - 501) / 501] x 100
Subtract the new number by the original number
271 - 501 = -230
-230 ÷ 501 = -0.4590818363273453
-0.4590818363273453 x 100 = -45.91%