22.61% is the change from 261 to 320
Calculation steps:
[( 320 - 261 ) ÷ 261] x 100 = 22.61%
Formula
Percentage change = [(320 - 261) / 261] x 100
Subtract the new number by the original number
320 - 261 = 59
59 ÷ 261 = 0.2260536398467433
0.2260536398467433 x 100 = 22.61%