27.19% is the change from 423 to 538
Calculation steps:
[( 538 - 423 ) ÷ 423] x 100 = 27.19%
Formula
Percentage change = [(538 - 423) / 423] x 100
Subtract the new number by the original number
538 - 423 = 115
115 ÷ 423 = 0.2718676122931442
0.2718676122931442 x 100 = 27.19%