22.44% is the change from 401 to 491
Calculation steps:
[( 491 - 401 ) ÷ 401] x 100 = 22.44%
Formula
Percentage change = [(491 - 401) / 401] x 100
Subtract the new number by the original number
491 - 401 = 90
90 ÷ 401 = 0.22443890274314215
0.22443890274314215 x 100 = 22.44%