-44.35% is the change from 611 to 340
Calculation steps:
[( 340 - 611 ) ÷ 611] x 100 = -44.35%
Formula
Percentage change = [(340 - 611) / 611] x 100
Subtract the new number by the original number
340 - 611 = -271
-271 ÷ 611 = -0.44353518821603927
-0.44353518821603927 x 100 = -44.35%