-99.03% is the change from 513 to 5
Calculation steps:
[( 5 - 513 ) ÷ 513] x 100 = -99.03%
Formula
Percentage change = [(5 - 513) / 513] x 100
Subtract the new number by the original number
5 - 513 = -508
-508 ÷ 513 = -0.9902534113060428
-0.9902534113060428 x 100 = -99.03%