21.46% is the change from 233 to 283
Calculation steps:
[( 283 - 233 ) ÷ 233] x 100 = 21.46%
Formula
Percentage change = [(283 - 233) / 233] x 100
Subtract the new number by the original number
283 - 233 = 50
50 ÷ 233 = 0.2145922746781116
0.2145922746781116 x 100 = 21.46%