-15.57% is the change from 578 to 488
Calculation steps:
[( 488 - 578 ) ÷ 578] x 100 = -15.57%
Formula
Percentage change = [(488 - 578) / 578] x 100
Subtract the new number by the original number
488 - 578 = -90
-90 ÷ 578 = -0.15570934256055363
-0.15570934256055363 x 100 = -15.57%