23.7% is the change from 270 to 334
Calculation steps:
[( 334 - 270 ) ÷ 270] x 100 = 23.7%
Formula
Percentage change = [(334 - 270) / 270] x 100
Subtract the new number by the original number
334 - 270 = 64
64 ÷ 270 = 0.23703703703703705
0.23703703703703705 x 100 = 23.7%