-45.37% is the change from 518 to 283
Calculation steps:
[( 283 - 518 ) ÷ 518] x 100 = -45.37%
Formula
Percentage change = [(283 - 518) / 518] x 100
Subtract the new number by the original number
283 - 518 = -235
-235 ÷ 518 = -0.45366795366795365
-0.45366795366795365 x 100 = -45.37%