-96.32% is the change from 516 to 19
Calculation steps:
[( 19 - 516 ) ÷ 516] x 100 = -96.32%
Formula
Percentage change = [(19 - 516) / 516] x 100
Subtract the new number by the original number
19 - 516 = -497
-497 ÷ 516 = -0.9631782945736435
-0.9631782945736435 x 100 = -96.32%