31.65% is the change from 218 to 287
Calculation steps:
[( 287 - 218 ) ÷ 218] x 100 = 31.65%
Formula
Percentage change = [(287 - 218) / 218] x 100
Subtract the new number by the original number
287 - 218 = 69
69 ÷ 218 = 0.3165137614678899
0.3165137614678899 x 100 = 31.65%