61.49% is the change from 322 to 520
Calculation steps:
[( 520 - 322 ) ÷ 322] x 100 = 61.49%
Formula
Percentage change = [(520 - 322) / 322] x 100
Subtract the new number by the original number
520 - 322 = 198
198 ÷ 322 = 0.6149068322981367
0.6149068322981367 x 100 = 61.49%