37.32% is the change from 209 to 287
Calculation steps:
[( 287 - 209 ) ÷ 209] x 100 = 37.32%
Formula
Percentage change = [(287 - 209) / 209] x 100
Subtract the new number by the original number
287 - 209 = 78
78 ÷ 209 = 0.37320574162679426
0.37320574162679426 x 100 = 37.32%