128.95% is the change from 266 to 609
Calculation steps:
[( 609 - 266 ) ÷ 266] x 100 = 128.95%
Formula
Percentage change = [(609 - 266) / 266] x 100
Subtract the new number by the original number
609 - 266 = 343
343 ÷ 266 = 1.2894736842105263
1.2894736842105263 x 100 = 128.95%