189.14% is the change from 221 to 639
Calculation steps:
[( 639 - 221 ) ÷ 221] x 100 = 189.14%
Formula
Percentage change = [(639 - 221) / 221] x 100
Subtract the new number by the original number
639 - 221 = 418
418 ÷ 221 = 1.8914027149321266
1.8914027149321266 x 100 = 189.14%