-90.61% is the change from 607 to 57
Calculation steps:
[( 57 - 607 ) ÷ 607] x 100 = -90.61%
Formula
Percentage change = [(57 - 607) / 607] x 100
Subtract the new number by the original number
57 - 607 = -550
-550 ÷ 607 = -0.9060955518945635
-0.9060955518945635 x 100 = -90.61%