89.02% is the change from 328 to 620
Calculation steps:
[( 620 - 328 ) ÷ 328] x 100 = 89.02%
Formula
Percentage change = [(620 - 328) / 328] x 100
Subtract the new number by the original number
620 - 328 = 292
292 ÷ 328 = 0.8902439024390244
0.8902439024390244 x 100 = 89.02%