28.44% is the change from 320 to 411
Calculation steps:
[( 411 - 320 ) ÷ 320] x 100 = 28.44%
Formula
Percentage change = [(411 - 320) / 320] x 100
Subtract the new number by the original number
411 - 320 = 91
91 ÷ 320 = 0.284375
0.284375 x 100 = 28.44%