21.66% is the change from 434 to 528
Calculation steps:
[( 528 - 434 ) ÷ 434] x 100 = 21.66%
Formula
Percentage change = [(528 - 434) / 434] x 100
Subtract the new number by the original number
528 - 434 = 94
94 ÷ 434 = 0.21658986175115208
0.21658986175115208 x 100 = 21.66%