19.26% is the change from 270 to 322
Calculation steps:
[( 322 - 270 ) ÷ 270] x 100 = 19.26%
Formula
Percentage change = [(322 - 270) / 270] x 100
Subtract the new number by the original number
322 - 270 = 52
52 ÷ 270 = 0.1925925925925926
0.1925925925925926 x 100 = 19.26%