139.47% is the change from 266 to 637
Calculation steps:
[( 637 - 266 ) ÷ 266] x 100 = 139.47%
Formula
Percentage change = [(637 - 266) / 266] x 100
Subtract the new number by the original number
637 - 266 = 371
371 ÷ 266 = 1.394736842105263
1.394736842105263 x 100 = 139.47%