-39.3% is the change from 570 to 346
Calculation steps:
[( 346 - 570 ) ÷ 570] x 100 = -39.3%
Formula
Percentage change = [(346 - 570) / 570] x 100
Subtract the new number by the original number
346 - 570 = -224
-224 ÷ 570 = -0.3929824561403509
-0.3929824561403509 x 100 = -39.3%