-98.44% is the change from 513 to 8
Calculation steps:
[( 8 - 513 ) ÷ 513] x 100 = -98.44%
Formula
Percentage change = [(8 - 513) / 513] x 100
Subtract the new number by the original number
8 - 513 = -505
-505 ÷ 513 = -0.9844054580896686
-0.9844054580896686 x 100 = -98.44%