17.56% is the change from 427 to 502
Calculation steps:
[( 502 - 427 ) ÷ 427] x 100 = 17.56%
Formula
Percentage change = [(502 - 427) / 427] x 100
Subtract the new number by the original number
502 - 427 = 75
75 ÷ 427 = 0.1756440281030445
0.1756440281030445 x 100 = 17.56%