-30.31% is the change from 607 to 423
Calculation steps:
[( 423 - 607 ) ÷ 607] x 100 = -30.31%
Formula
Percentage change = [(423 - 607) / 607] x 100
Subtract the new number by the original number
423 - 607 = -184
-184 ÷ 607 = -0.3031301482701812
-0.3031301482701812 x 100 = -30.31%