-54.3% is the change from 604 to 276
Calculation steps:
[( 276 - 604 ) ÷ 604] x 100 = -54.3%
Formula
Percentage change = [(276 - 604) / 604] x 100
Subtract the new number by the original number
276 - 604 = -328
-328 ÷ 604 = -0.543046357615894
-0.543046357615894 x 100 = -54.3%