-36.36% is the change from 517 to 329
Calculation steps:
[( 329 - 517 ) ÷ 517] x 100 = -36.36%
Formula
Percentage change = [(329 - 517) / 517] x 100
Subtract the new number by the original number
329 - 517 = -188
-188 ÷ 517 = -0.36363636363636365
-0.36363636363636365 x 100 = -36.36%