21.6% is the change from 287 to 349
Calculation steps:
[( 349 - 287 ) ÷ 287] x 100 = 21.6%
Formula
Percentage change = [(349 - 287) / 287] x 100
Subtract the new number by the original number
349 - 287 = 62
62 ÷ 287 = 0.21602787456445993
0.21602787456445993 x 100 = 21.6%