31.34% is the change from 402 to 528
Calculation steps:
[( 528 - 402 ) ÷ 402] x 100 = 31.34%
Formula
Percentage change = [(528 - 402) / 402] x 100
Subtract the new number by the original number
528 - 402 = 126
126 ÷ 402 = 0.31343283582089554
0.31343283582089554 x 100 = 31.34%