121.92% is the change from 260 to 577
Calculation steps:
[( 577 - 260 ) ÷ 260] x 100 = 121.92%
Formula
Percentage change = [(577 - 260) / 260] x 100
Subtract the new number by the original number
577 - 260 = 317
317 ÷ 260 = 1.2192307692307693
1.2192307692307693 x 100 = 121.92%