-55.51% is the change from 517 to 230
Calculation steps:
[( 230 - 517 ) ÷ 517] x 100 = -55.51%
Formula
Percentage change = [(230 - 517) / 517] x 100
Subtract the new number by the original number
230 - 517 = -287
-287 ÷ 517 = -0.5551257253384912
-0.5551257253384912 x 100 = -55.51%