-54.06% is the change from 603 to 277
Calculation steps:
[( 277 - 603 ) ÷ 603] x 100 = -54.06%
Formula
Percentage change = [(277 - 603) / 603] x 100
Subtract the new number by the original number
277 - 603 = -326
-326 ÷ 603 = -0.5406301824212272
-0.5406301824212272 x 100 = -54.06%