180.26% is the change from 228 to 639
Calculation steps:
[( 639 - 228 ) ÷ 228] x 100 = 180.26%
Formula
Percentage change = [(639 - 228) / 228] x 100
Subtract the new number by the original number
639 - 228 = 411
411 ÷ 228 = 1.8026315789473684
1.8026315789473684 x 100 = 180.26%