-72.97% is the change from 518 to 140
Calculation steps:
[( 140 - 518 ) ÷ 518] x 100 = -72.97%
Formula
Percentage change = [(140 - 518) / 518] x 100
Subtract the new number by the original number
140 - 518 = -378
-378 ÷ 518 = -0.7297297297297297
-0.7297297297297297 x 100 = -72.97%