-27.08% is the change from 698 to 509
Calculation steps:
[( 509 - 698 ) ÷ 698] x 100 = -27.08%
Formula
Percentage change = [(509 - 698) / 698] x 100
Subtract the new number by the original number
509 - 698 = -189
-189 ÷ 698 = -0.2707736389684814
-0.2707736389684814 x 100 = -27.08%