70.76% is the change from 342 to 584
Calculation steps:
[( 584 - 342 ) ÷ 342] x 100 = 70.76%
Formula
Percentage change = [(584 - 342) / 342] x 100
Subtract the new number by the original number
584 - 342 = 242
242 ÷ 342 = 0.7076023391812866
0.7076023391812866 x 100 = 70.76%