62.62% is the change from 321 to 522
Calculation steps:
[( 522 - 321 ) ÷ 321] x 100 = 62.62%
Formula
Percentage change = [(522 - 321) / 321] x 100
Subtract the new number by the original number
522 - 321 = 201
201 ÷ 321 = 0.6261682242990654
0.6261682242990654 x 100 = 62.62%