-54.83% is the change from 611 to 276
Calculation steps:
[( 276 - 611 ) ÷ 611] x 100 = -54.83%
Formula
Percentage change = [(276 - 611) / 611] x 100
Subtract the new number by the original number
276 - 611 = -335
-335 ÷ 611 = -0.5482815057283142
-0.5482815057283142 x 100 = -54.83%