-59.46% is the change from 518 to 210
Calculation steps:
[( 210 - 518 ) ÷ 518] x 100 = -59.46%
Formula
Percentage change = [(210 - 518) / 518] x 100
Subtract the new number by the original number
210 - 518 = -308
-308 ÷ 518 = -0.5945945945945946
-0.5945945945945946 x 100 = -59.46%