-79.5% is the change from 517 to 106
Calculation steps:
[( 106 - 517 ) ÷ 517] x 100 = -79.5%
Formula
Percentage change = [(106 - 517) / 517] x 100
Subtract the new number by the original number
106 - 517 = -411
-411 ÷ 517 = -0.7949709864603481
-0.7949709864603481 x 100 = -79.5%