21.47% is the change from 340 to 413
Calculation steps:
[( 413 - 340 ) ÷ 340] x 100 = 21.47%
Formula
Percentage change = [(413 - 340) / 340] x 100
Subtract the new number by the original number
413 - 340 = 73
73 ÷ 340 = 0.21470588235294116
0.21470588235294116 x 100 = 21.47%