7.64% is the change from 484 to 521
Calculation steps:
[( 521 - 484 ) ÷ 484] x 100 = 7.64%
Formula
Percentage change = [(521 - 484) / 484] x 100
Subtract the new number by the original number
521 - 484 = 37
37 ÷ 484 = 0.07644628099173553
0.07644628099173553 x 100 = 7.64%