26.44% is the change from 435 to 550
Calculation steps:
[( 550 - 435 ) ÷ 435] x 100 = 26.44%
Formula
Percentage change = [(550 - 435) / 435] x 100
Subtract the new number by the original number
550 - 435 = 115
115 ÷ 435 = 0.26436781609195403
0.26436781609195403 x 100 = 26.44%