64.75% is the change from 139 to 229
Calculation steps:
[( 229 - 139 ) ÷ 139] x 100 = 64.75%
Formula
Percentage change = [(229 - 139) / 139] x 100
Subtract the new number by the original number
229 - 139 = 90
90 ÷ 139 = 0.6474820143884892
0.6474820143884892 x 100 = 64.75%