-34.62% is the change from 517 to 338
Calculation steps:
[( 338 - 517 ) ÷ 517] x 100 = -34.62%
Formula
Percentage change = [(338 - 517) / 517] x 100
Subtract the new number by the original number
338 - 517 = -179
-179 ÷ 517 = -0.34622823984526113
-0.34622823984526113 x 100 = -34.62%