37.34% is the change from 233 to 320
Calculation steps:
[( 320 - 233 ) ÷ 233] x 100 = 37.34%
Formula
Percentage change = [(320 - 233) / 233] x 100
Subtract the new number by the original number
320 - 233 = 87
87 ÷ 233 = 0.37339055793991416
0.37339055793991416 x 100 = 37.34%