-44.05% is the change from 613 to 343
Calculation steps:
[( 343 - 613 ) ÷ 613] x 100 = -44.05%
Formula
Percentage change = [(343 - 613) / 613] x 100
Subtract the new number by the original number
343 - 613 = -270
-270 ÷ 613 = -0.44045676998368677
-0.44045676998368677 x 100 = -44.05%