68.3% is the change from 347 to 584
Calculation steps:
[( 584 - 347 ) ÷ 347] x 100 = 68.3%
Formula
Percentage change = [(584 - 347) / 347] x 100
Subtract the new number by the original number
584 - 347 = 237
237 ÷ 347 = 0.6829971181556196
0.6829971181556196 x 100 = 68.3%