-99.42% is the change from 516 to 3
Calculation steps:
[( 3 - 516 ) ÷ 516] x 100 = -99.42%
Formula
Percentage change = [(3 - 516) / 516] x 100
Subtract the new number by the original number
3 - 516 = -513
-513 ÷ 516 = -0.9941860465116279
-0.9941860465116279 x 100 = -99.42%