-86.92% is the change from 558 to 73
Calculation steps:
[( 73 - 558 ) ÷ 558] x 100 = -86.92%
Formula
Percentage change = [(73 - 558) / 558] x 100
Subtract the new number by the original number
73 - 558 = -485
-485 ÷ 558 = -0.8691756272401434
-0.8691756272401434 x 100 = -86.92%