86.21% is the change from 261 to 486
Calculation steps:
[( 486 - 261 ) ÷ 261] x 100 = 86.21%
Formula
Percentage change = [(486 - 261) / 261] x 100
Subtract the new number by the original number
486 - 261 = 225
225 ÷ 261 = 0.8620689655172413
0.8620689655172413 x 100 = 86.21%