-39.62% is the change from 578 to 349
Calculation steps:
[( 349 - 578 ) ÷ 578] x 100 = -39.62%
Formula
Percentage change = [(349 - 578) / 578] x 100
Subtract the new number by the original number
349 - 578 = -229
-229 ÷ 578 = -0.3961937716262976
-0.3961937716262976 x 100 = -39.62%