-59.19% is the change from 517 to 211
Calculation steps:
[( 211 - 517 ) ÷ 517] x 100 = -59.19%
Formula
Percentage change = [(211 - 517) / 517] x 100
Subtract the new number by the original number
211 - 517 = -306
-306 ÷ 517 = -0.5918762088974855
-0.5918762088974855 x 100 = -59.19%