3.4% is the change from 324 to 335
Calculation steps:
[( 335 - 324 ) ÷ 324] x 100 = 3.4%
Formula
Percentage change = [(335 - 324) / 324] x 100
Subtract the new number by the original number
335 - 324 = 11
11 ÷ 324 = 0.033950617283950615
0.033950617283950615 x 100 = 3.4%