-27.99% is the change from 611 to 440
Calculation steps:
[( 440 - 611 ) ÷ 611] x 100 = -27.99%
Formula
Percentage change = [(440 - 611) / 611] x 100
Subtract the new number by the original number
440 - 611 = -171
-171 ÷ 611 = -0.27986906710310966
-0.27986906710310966 x 100 = -27.99%