-90.66% is the change from 578 to 54
Calculation steps:
[( 54 - 578 ) ÷ 578] x 100 = -90.66%
Formula
Percentage change = [(54 - 578) / 578] x 100
Subtract the new number by the original number
54 - 578 = -524
-524 ÷ 578 = -0.9065743944636678
-0.9065743944636678 x 100 = -90.66%