-38.99% is the change from 849 to 518
Calculation steps:
[( 518 - 849 ) ÷ 849] x 100 = -38.99%
Formula
Percentage change = [(518 - 849) / 849] x 100
Subtract the new number by the original number
518 - 849 = -331
-331 ÷ 849 = -0.38987043580683156
-0.38987043580683156 x 100 = -38.99%