-36.18% is the change from 539 to 344
Calculation steps:
[( 344 - 539 ) ÷ 539] x 100 = -36.18%
Formula
Percentage change = [(344 - 539) / 539] x 100
Subtract the new number by the original number
344 - 539 = -195
-195 ÷ 539 = -0.36178107606679033
-0.36178107606679033 x 100 = -36.18%