-94.39% is the change from 517 to 29
Calculation steps:
[( 29 - 517 ) ÷ 517] x 100 = -94.39%
Formula
Percentage change = [(29 - 517) / 517] x 100
Subtract the new number by the original number
29 - 517 = -488
-488 ÷ 517 = -0.9439071566731141
-0.9439071566731141 x 100 = -94.39%