70.47% is the change from 342 to 583
Calculation steps:
[( 583 - 342 ) ÷ 342] x 100 = 70.47%
Formula
Percentage change = [(583 - 342) / 342] x 100
Subtract the new number by the original number
583 - 342 = 241
241 ÷ 342 = 0.7046783625730995
0.7046783625730995 x 100 = 70.47%