21.08% is the change from 427 to 517
Calculation steps:
[( 517 - 427 ) ÷ 427] x 100 = 21.08%
Formula
Percentage change = [(517 - 427) / 427] x 100
Subtract the new number by the original number
517 - 427 = 90
90 ÷ 427 = 0.2107728337236534
0.2107728337236534 x 100 = 21.08%