-31.77% is the change from 513 to 350
Calculation steps:
[( 350 - 513 ) ÷ 513] x 100 = -31.77%
Formula
Percentage change = [(350 - 513) / 513] x 100
Subtract the new number by the original number
350 - 513 = -163
-163 ÷ 513 = -0.31773879142300193
-0.31773879142300193 x 100 = -31.77%