11.85% is the change from 270 to 302
Calculation steps:
[( 302 - 270 ) ÷ 270] x 100 = 11.85%
Formula
Percentage change = [(302 - 270) / 270] x 100
Subtract the new number by the original number
302 - 270 = 32
32 ÷ 270 = 0.11851851851851852
0.11851851851851852 x 100 = 11.85%