21.96% is the change from 428 to 522
Calculation steps:
[( 522 - 428 ) ÷ 428] x 100 = 21.96%
Formula
Percentage change = [(522 - 428) / 428] x 100
Subtract the new number by the original number
522 - 428 = 94
94 ÷ 428 = 0.21962616822429906
0.21962616822429906 x 100 = 21.96%