3.45% is the change from 261 to 270
Calculation steps:
[( 270 - 261 ) ÷ 261] x 100 = 3.45%
Formula
Percentage change = [(270 - 261) / 261] x 100
Subtract the new number by the original number
270 - 261 = 9
9 ÷ 261 = 0.034482758620689655
0.034482758620689655 x 100 = 3.45%