20.59% is the change from 238 to 287
Calculation steps:
[( 287 - 238 ) ÷ 238] x 100 = 20.59%
Formula
Percentage change = [(287 - 238) / 238] x 100
Subtract the new number by the original number
287 - 238 = 49
49 ÷ 238 = 0.20588235294117646
0.20588235294117646 x 100 = 20.59%