146.72% is the change from 259 to 639
Calculation steps:
[( 639 - 259 ) ÷ 259] x 100 = 146.72%
Formula
Percentage change = [(639 - 259) / 259] x 100
Subtract the new number by the original number
639 - 259 = 380
380 ÷ 259 = 1.4671814671814671
1.4671814671814671 x 100 = 146.72%