90.12% is the change from 324 to 616
Calculation steps:
[( 616 - 324 ) ÷ 324] x 100 = 90.12%
Formula
Percentage change = [(616 - 324) / 324] x 100
Subtract the new number by the original number
616 - 324 = 292
292 ÷ 324 = 0.9012345679012346
0.9012345679012346 x 100 = 90.12%