21.76% is the change from 340 to 414
Calculation steps:
[( 414 - 340 ) ÷ 340] x 100 = 21.76%
Formula
Percentage change = [(414 - 340) / 340] x 100
Subtract the new number by the original number
414 - 340 = 74
74 ÷ 340 = 0.21764705882352942
0.21764705882352942 x 100 = 21.76%