34.15% is the change from 407 to 546
Calculation steps:
[( 546 - 407 ) ÷ 407] x 100 = 34.15%
Formula
Percentage change = [(546 - 407) / 407] x 100
Subtract the new number by the original number
546 - 407 = 139
139 ÷ 407 = 0.3415233415233415
0.3415233415233415 x 100 = 34.15%