121.84% is the change from 261 to 579
Calculation steps:
[( 579 - 261 ) ÷ 261] x 100 = 121.84%
Formula
Percentage change = [(579 - 261) / 261] x 100
Subtract the new number by the original number
579 - 261 = 318
318 ÷ 261 = 1.2183908045977012
1.2183908045977012 x 100 = 121.84%