-54.99% is the change from 611 to 275
Calculation steps:
[( 275 - 611 ) ÷ 611] x 100 = -54.99%
Formula
Percentage change = [(275 - 611) / 611] x 100
Subtract the new number by the original number
275 - 611 = -336
-336 ÷ 611 = -0.5499181669394435
-0.5499181669394435 x 100 = -54.99%