70.38% is the change from 341 to 581
Calculation steps:
[( 581 - 341 ) ÷ 341] x 100 = 70.38%
Formula
Percentage change = [(581 - 341) / 341] x 100
Subtract the new number by the original number
581 - 341 = 240
240 ÷ 341 = 0.7038123167155426
0.7038123167155426 x 100 = 70.38%