-66.33% is the change from 603 to 203
Calculation steps:
[( 203 - 603 ) ÷ 603] x 100 = -66.33%
Formula
Percentage change = [(203 - 603) / 603] x 100
Subtract the new number by the original number
203 - 603 = -400
-400 ÷ 603 = -0.6633499170812603
-0.6633499170812603 x 100 = -66.33%