87.1% is the change from 279 to 522
Calculation steps:
[( 522 - 279 ) ÷ 279] x 100 = 87.1%
Formula
Percentage change = [(522 - 279) / 279] x 100
Subtract the new number by the original number
522 - 279 = 243
243 ÷ 279 = 0.8709677419354839
0.8709677419354839 x 100 = 87.1%