-98.05% is the change from 513 to 10
Calculation steps:
[( 10 - 513 ) ÷ 513] x 100 = -98.05%
Formula
Percentage change = [(10 - 513) / 513] x 100
Subtract the new number by the original number
10 - 513 = -503
-503 ÷ 513 = -0.9805068226120858
-0.9805068226120858 x 100 = -98.05%