-36.51% is the change from 849 to 539
Calculation steps:
[( 539 - 849 ) ÷ 849] x 100 = -36.51%
Formula
Percentage change = [(539 - 849) / 849] x 100
Subtract the new number by the original number
539 - 849 = -310
-310 ÷ 849 = -0.3651354534746761
-0.3651354534746761 x 100 = -36.51%