-98.26% is the change from 516 to 9
Calculation steps:
[( 9 - 516 ) ÷ 516] x 100 = -98.26%
Formula
Percentage change = [(9 - 516) / 516] x 100
Subtract the new number by the original number
9 - 516 = -507
-507 ÷ 516 = -0.9825581395348837
-0.9825581395348837 x 100 = -98.26%