-40.87% is the change from 575 to 340
Calculation steps:
[( 340 - 575 ) ÷ 575] x 100 = -40.87%
Formula
Percentage change = [(340 - 575) / 575] x 100
Subtract the new number by the original number
340 - 575 = -235
-235 ÷ 575 = -0.40869565217391307
-0.40869565217391307 x 100 = -40.87%