-32.3% is the change from 517 to 350
Calculation steps:
[( 350 - 517 ) ÷ 517] x 100 = -32.3%
Formula
Percentage change = [(350 - 517) / 517] x 100
Subtract the new number by the original number
350 - 517 = -167
-167 ÷ 517 = -0.3230174081237911
-0.3230174081237911 x 100 = -32.3%