-14.77% is the change from 501 to 427
Calculation steps:
[( 427 - 501 ) ÷ 501] x 100 = -14.77%
Formula
Percentage change = [(427 - 501) / 501] x 100
Subtract the new number by the original number
427 - 501 = -74
-74 ÷ 501 = -0.14770459081836326
-0.14770459081836326 x 100 = -14.77%