-66.39% is the change from 607 to 204
Calculation steps:
[( 204 - 607 ) ÷ 607] x 100 = -66.39%
Formula
Percentage change = [(204 - 607) / 607] x 100
Subtract the new number by the original number
204 - 607 = -403
-403 ÷ 607 = -0.6639209225700164
-0.6639209225700164 x 100 = -66.39%