-25.69% is the change from 693 to 515
Calculation steps:
[( 515 - 693 ) ÷ 693] x 100 = -25.69%
Formula
Percentage change = [(515 - 693) / 693] x 100
Subtract the new number by the original number
515 - 693 = -178
-178 ÷ 693 = -0.25685425685425683
-0.25685425685425683 x 100 = -25.69%