27.05% is the change from 403 to 512
Calculation steps:
[( 512 - 403 ) ÷ 403] x 100 = 27.05%
Formula
Percentage change = [(512 - 403) / 403] x 100
Subtract the new number by the original number
512 - 403 = 109
109 ÷ 403 = 0.2704714640198511
0.2704714640198511 x 100 = 27.05%