-71.62% is the change from 518 to 147
Calculation steps:
[( 147 - 518 ) ÷ 518] x 100 = -71.62%
Formula
Percentage change = [(147 - 518) / 518] x 100
Subtract the new number by the original number
147 - 518 = -371
-371 ÷ 518 = -0.7162162162162162
-0.7162162162162162 x 100 = -71.62%