-34.7% is the change from 513 to 335
Calculation steps:
[( 335 - 513 ) ÷ 513] x 100 = -34.7%
Formula
Percentage change = [(335 - 513) / 513] x 100
Subtract the new number by the original number
335 - 513 = -178
-178 ÷ 513 = -0.3469785575048733
-0.3469785575048733 x 100 = -34.7%