-79.11% is the change from 517 to 108
Calculation steps:
[( 108 - 517 ) ÷ 517] x 100 = -79.11%
Formula
Percentage change = [(108 - 517) / 517] x 100
Subtract the new number by the original number
108 - 517 = -409
-409 ÷ 517 = -0.7911025145067698
-0.7911025145067698 x 100 = -79.11%