122.61% is the change from 261 to 581
Calculation steps:
[( 581 - 261 ) ÷ 261] x 100 = 122.61%
Formula
Percentage change = [(581 - 261) / 261] x 100
Subtract the new number by the original number
581 - 261 = 320
320 ÷ 261 = 1.2260536398467432
1.2260536398467432 x 100 = 122.61%