-88.22% is the change from 518 to 61
Calculation steps:
[( 61 - 518 ) ÷ 518] x 100 = -88.22%
Formula
Percentage change = [(61 - 518) / 518] x 100
Subtract the new number by the original number
61 - 518 = -457
-457 ÷ 518 = -0.8822393822393823
-0.8822393822393823 x 100 = -88.22%