27.88% is the change from 434 to 555
Calculation steps:
[( 555 - 434 ) ÷ 434] x 100 = 27.88%
Formula
Percentage change = [(555 - 434) / 434] x 100
Subtract the new number by the original number
555 - 434 = 121
121 ÷ 434 = 0.27880184331797236
0.27880184331797236 x 100 = 27.88%