-90.73% is the change from 604 to 56
Calculation steps:
[( 56 - 604 ) ÷ 604] x 100 = -90.73%
Formula
Percentage change = [(56 - 604) / 604] x 100
Subtract the new number by the original number
56 - 604 = -548
-548 ÷ 604 = -0.9072847682119205
-0.9072847682119205 x 100 = -90.73%