-59.27% is the change from 518 to 211
Calculation steps:
[( 211 - 518 ) ÷ 518] x 100 = -59.27%
Formula
Percentage change = [(211 - 518) / 518] x 100
Subtract the new number by the original number
211 - 518 = -307
-307 ÷ 518 = -0.5926640926640927
-0.5926640926640927 x 100 = -59.27%