29.73% is the change from 407 to 528
Calculation steps:
[( 528 - 407 ) ÷ 407] x 100 = 29.73%
Formula
Percentage change = [(528 - 407) / 407] x 100
Subtract the new number by the original number
528 - 407 = 121
121 ÷ 407 = 0.2972972972972973
0.2972972972972973 x 100 = 29.73%