-99.22% is the change from 513 to 4
Calculation steps:
[( 4 - 513 ) ÷ 513] x 100 = -99.22%
Formula
Percentage change = [(4 - 513) / 513] x 100
Subtract the new number by the original number
4 - 513 = -509
-509 ÷ 513 = -0.9922027290448343
-0.9922027290448343 x 100 = -99.22%