-2.81% is the change from 427 to 415
Calculation steps:
[( 415 - 427 ) ÷ 427] x 100 = -2.81%
Formula
Percentage change = [(415 - 427) / 427] x 100
Subtract the new number by the original number
415 - 427 = -12
-12 ÷ 427 = -0.02810304449648712
-0.02810304449648712 x 100 = -2.81%