69.68% is the change from 343 to 582
Calculation steps:
[( 582 - 343 ) ÷ 343] x 100 = 69.68%
Formula
Percentage change = [(582 - 343) / 343] x 100
Subtract the new number by the original number
582 - 343 = 239
239 ÷ 343 = 0.6967930029154519
0.6967930029154519 x 100 = 69.68%