-43.77% is the change from 610 to 343
Calculation steps:
[( 343 - 610 ) ÷ 610] x 100 = -43.77%
Formula
Percentage change = [(343 - 610) / 610] x 100
Subtract the new number by the original number
343 - 610 = -267
-267 ÷ 610 = -0.4377049180327869
-0.4377049180327869 x 100 = -43.77%