-34.1% is the change from 607 to 400
Calculation steps:
[( 400 - 607 ) ÷ 607] x 100 = -34.1%
Formula
Percentage change = [(400 - 607) / 607] x 100
Subtract the new number by the original number
400 - 607 = -207
-207 ÷ 607 = -0.34102141680395387
-0.34102141680395387 x 100 = -34.1%