-46.26% is the change from 575 to 309
Calculation steps:
[( 309 - 575 ) ÷ 575] x 100 = -46.26%
Formula
Percentage change = [(309 - 575) / 575] x 100
Subtract the new number by the original number
309 - 575 = -266
-266 ÷ 575 = -0.46260869565217394
-0.46260869565217394 x 100 = -46.26%