69.19% is the change from 344 to 582
Calculation steps:
[( 582 - 344 ) ÷ 344] x 100 = 69.19%
Formula
Percentage change = [(582 - 344) / 344] x 100
Subtract the new number by the original number
582 - 344 = 238
238 ÷ 344 = 0.6918604651162791
0.6918604651162791 x 100 = 69.19%