-65.67% is the change from 603 to 207
Calculation steps:
[( 207 - 603 ) ÷ 603] x 100 = -65.67%
Formula
Percentage change = [(207 - 603) / 603] x 100
Subtract the new number by the original number
207 - 603 = -396
-396 ÷ 603 = -0.6567164179104478
-0.6567164179104478 x 100 = -65.67%