-90.94% is the change from 607 to 55
Calculation steps:
[( 55 - 607 ) ÷ 607] x 100 = -90.94%
Formula
Percentage change = [(55 - 607) / 607] x 100
Subtract the new number by the original number
55 - 607 = -552
-552 ÷ 607 = -0.9093904448105437
-0.9093904448105437 x 100 = -90.94%