69.41% is the change from 340 to 576
Calculation steps:
[( 576 - 340 ) ÷ 340] x 100 = 69.41%
Formula
Percentage change = [(576 - 340) / 340] x 100
Subtract the new number by the original number
576 - 340 = 236
236 ÷ 340 = 0.6941176470588235
0.6941176470588235 x 100 = 69.41%