36.6% is the change from 235 to 321
Calculation steps:
[( 321 - 235 ) ÷ 235] x 100 = 36.6%
Formula
Percentage change = [(321 - 235) / 235] x 100
Subtract the new number by the original number
321 - 235 = 86
86 ÷ 235 = 0.3659574468085106
0.3659574468085106 x 100 = 36.6%