91.9% is the change from 321 to 616
Calculation steps:
[( 616 - 321 ) ÷ 321] x 100 = 91.9%
Formula
Percentage change = [(616 - 321) / 321] x 100
Subtract the new number by the original number
616 - 321 = 295
295 ÷ 321 = 0.9190031152647975
0.9190031152647975 x 100 = 91.9%