31.77% is the change from 406 to 535
Calculation steps:
[( 535 - 406 ) ÷ 406] x 100 = 31.77%
Formula
Percentage change = [(535 - 406) / 406] x 100
Subtract the new number by the original number
535 - 406 = 129
129 ÷ 406 = 0.31773399014778325
0.31773399014778325 x 100 = 31.77%