138.35% is the change from 266 to 634
Calculation steps:
[( 634 - 266 ) ÷ 266] x 100 = 138.35%
Formula
Percentage change = [(634 - 266) / 266] x 100
Subtract the new number by the original number
634 - 266 = 368
368 ÷ 266 = 1.3834586466165413
1.3834586466165413 x 100 = 138.35%