68.8% is the change from 343 to 579
Calculation steps:
[( 579 - 343 ) ÷ 343] x 100 = 68.8%
Formula
Percentage change = [(579 - 343) / 343] x 100
Subtract the new number by the original number
579 - 343 = 236
236 ÷ 343 = 0.6880466472303207
0.6880466472303207 x 100 = 68.8%