-91.68% is the change from 517 to 43
Calculation steps:
[( 43 - 517 ) ÷ 517] x 100 = -91.68%
Formula
Percentage change = [(43 - 517) / 517] x 100
Subtract the new number by the original number
43 - 517 = -474
-474 ÷ 517 = -0.9168278529980658
-0.9168278529980658 x 100 = -91.68%