-99.61% is the change from 516 to 2
Calculation steps:
[( 2 - 516 ) ÷ 516] x 100 = -99.61%
Formula
Percentage change = [(2 - 516) / 516] x 100
Subtract the new number by the original number
2 - 516 = -514
-514 ÷ 516 = -0.9961240310077519
-0.9961240310077519 x 100 = -99.61%