54.33% is the change from 208 to 321
Calculation steps:
[( 321 - 208 ) ÷ 208] x 100 = 54.33%
Formula
Percentage change = [(321 - 208) / 208] x 100
Subtract the new number by the original number
321 - 208 = 113
113 ÷ 208 = 0.5432692307692307
0.5432692307692307 x 100 = 54.33%