37.77% is the change from 233 to 321
Calculation steps:
[( 321 - 233 ) ÷ 233] x 100 = 37.77%
Formula
Percentage change = [(321 - 233) / 233] x 100
Subtract the new number by the original number
321 - 233 = 88
88 ÷ 233 = 0.3776824034334764
0.3776824034334764 x 100 = 37.77%