32.26% is the change from 217 to 287
Calculation steps:
[( 287 - 217 ) ÷ 217] x 100 = 32.26%
Formula
Percentage change = [(287 - 217) / 217] x 100
Subtract the new number by the original number
287 - 217 = 70
70 ÷ 217 = 0.3225806451612903
0.3225806451612903 x 100 = 32.26%