69.16% is the change from 321 to 543
Calculation steps:
[( 543 - 321 ) ÷ 321] x 100 = 69.16%
Formula
Percentage change = [(543 - 321) / 321] x 100
Subtract the new number by the original number
543 - 321 = 222
222 ÷ 321 = 0.6915887850467289
0.6915887850467289 x 100 = 69.16%