-18.69% is the change from 578 to 470
Calculation steps:
[( 470 - 578 ) ÷ 578] x 100 = -18.69%
Formula
Percentage change = [(470 - 578) / 578] x 100
Subtract the new number by the original number
470 - 578 = -108
-108 ÷ 578 = -0.18685121107266436
-0.18685121107266436 x 100 = -18.69%