-16.94% is the change from 614 to 510
Calculation steps:
[( 510 - 614 ) ÷ 614] x 100 = -16.94%
Formula
Percentage change = [(510 - 614) / 614] x 100
Subtract the new number by the original number
510 - 614 = -104
-104 ÷ 614 = -0.16938110749185667
-0.16938110749185667 x 100 = -16.94%