-85.71% is the change from 518 to 74
Calculation steps:
[( 74 - 518 ) ÷ 518] x 100 = -85.71%
Formula
Percentage change = [(74 - 518) / 518] x 100
Subtract the new number by the original number
74 - 518 = -444
-444 ÷ 518 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%