31.98% is the change from 247 to 326
Calculation steps:
[( 326 - 247 ) ÷ 247] x 100 = 31.98%
Formula
Percentage change = [(326 - 247) / 247] x 100
Subtract the new number by the original number
326 - 247 = 79
79 ÷ 247 = 0.31983805668016196
0.31983805668016196 x 100 = 31.98%