-17.23% is the change from 621 to 514
Calculation steps:
[( 514 - 621 ) ÷ 621] x 100 = -17.23%
Formula
Percentage change = [(514 - 621) / 621] x 100
Subtract the new number by the original number
514 - 621 = -107
-107 ÷ 621 = -0.1723027375201288
-0.1723027375201288 x 100 = -17.23%