-17.7% is the change from 514 to 423
Calculation steps:
[( 423 - 514 ) ÷ 514] x 100 = -17.7%
Formula
Percentage change = [(423 - 514) / 514] x 100
Subtract the new number by the original number
423 - 514 = -91
-91 ÷ 514 = -0.17704280155642024
-0.17704280155642024 x 100 = -17.7%