145.38% is the change from 260 to 638
Calculation steps:
[( 638 - 260 ) ÷ 260] x 100 = 145.38%
Formula
Percentage change = [(638 - 260) / 260] x 100
Subtract the new number by the original number
638 - 260 = 378
378 ÷ 260 = 1.4538461538461538
1.4538461538461538 x 100 = 145.38%