-54.23% is the change from 603 to 276
Calculation steps:
[( 276 - 603 ) ÷ 603] x 100 = -54.23%
Formula
Percentage change = [(276 - 603) / 603] x 100
Subtract the new number by the original number
276 - 603 = -327
-327 ÷ 603 = -0.5422885572139303
-0.5422885572139303 x 100 = -54.23%