-31.58% is the change from 513 to 351
Calculation steps:
[( 351 - 513 ) ÷ 513] x 100 = -31.58%
Formula
Percentage change = [(351 - 513) / 513] x 100
Subtract the new number by the original number
351 - 513 = -162
-162 ÷ 513 = -0.3157894736842105
-0.3157894736842105 x 100 = -31.58%