-21.4% is the change from 659 to 518
Calculation steps:
[( 518 - 659 ) ÷ 659] x 100 = -21.4%
Formula
Percentage change = [(518 - 659) / 659] x 100
Subtract the new number by the original number
518 - 659 = -141
-141 ÷ 659 = -0.21396054628224584
-0.21396054628224584 x 100 = -21.4%