-7% is the change from 514 to 478
Calculation steps:
[( 478 - 514 ) ÷ 514] x 100 = -7%
Formula
Percentage change = [(478 - 514) / 514] x 100
Subtract the new number by the original number
478 - 514 = -36
-36 ÷ 514 = -0.07003891050583658
-0.07003891050583658 x 100 = -7%