-43.86% is the change from 611 to 343
Calculation steps:
[( 343 - 611 ) ÷ 611] x 100 = -43.86%
Formula
Percentage change = [(343 - 611) / 611] x 100
Subtract the new number by the original number
343 - 611 = -268
-268 ÷ 611 = -0.4386252045826514
-0.4386252045826514 x 100 = -43.86%