92.21% is the change from 321 to 617
Calculation steps:
[( 617 - 321 ) ÷ 321] x 100 = 92.21%
Formula
Percentage change = [(617 - 321) / 321] x 100
Subtract the new number by the original number
617 - 321 = 296
296 ÷ 321 = 0.9221183800623053
0.9221183800623053 x 100 = 92.21%