20.17% is the change from 233 to 280
Calculation steps:
[( 280 - 233 ) ÷ 233] x 100 = 20.17%
Formula
Percentage change = [(280 - 233) / 233] x 100
Subtract the new number by the original number
280 - 233 = 47
47 ÷ 233 = 0.2017167381974249
0.2017167381974249 x 100 = 20.17%