-43.7% is the change from 611 to 344
Calculation steps:
[( 344 - 611 ) ÷ 611] x 100 = -43.7%
Formula
Percentage change = [(344 - 611) / 611] x 100
Subtract the new number by the original number
344 - 611 = -267
-267 ÷ 611 = -0.4369885433715221
-0.4369885433715221 x 100 = -43.7%