26.98% is the change from 252 to 320
Calculation steps:
[( 320 - 252 ) ÷ 252] x 100 = 26.98%
Formula
Percentage change = [(320 - 252) / 252] x 100
Subtract the new number by the original number
320 - 252 = 68
68 ÷ 252 = 0.2698412698412698
0.2698412698412698 x 100 = 26.98%