98.13% is the change from 321 to 636
Calculation steps:
[( 636 - 321 ) ÷ 321] x 100 = 98.13%
Formula
Percentage change = [(636 - 321) / 321] x 100
Subtract the new number by the original number
636 - 321 = 315
315 ÷ 321 = 0.9813084112149533
0.9813084112149533 x 100 = 98.13%