-29.76% is the change from 578 to 406
Calculation steps:
[( 406 - 578 ) ÷ 578] x 100 = -29.76%
Formula
Percentage change = [(406 - 578) / 578] x 100
Subtract the new number by the original number
406 - 578 = -172
-172 ÷ 578 = -0.2975778546712803
-0.2975778546712803 x 100 = -29.76%