-57.5% is the change from 513 to 218
Calculation steps:
[( 218 - 513 ) ÷ 513] x 100 = -57.5%
Formula
Percentage change = [(218 - 513) / 513] x 100
Subtract the new number by the original number
218 - 513 = -295
-295 ÷ 513 = -0.5750487329434698
-0.5750487329434698 x 100 = -57.5%