-61.2% is the change from 518 to 201
Calculation steps:
[( 201 - 518 ) ÷ 518] x 100 = -61.2%
Formula
Percentage change = [(201 - 518) / 518] x 100
Subtract the new number by the original number
201 - 518 = -317
-317 ÷ 518 = -0.611969111969112
-0.611969111969112 x 100 = -61.2%