83.51% is the change from 279 to 512
Calculation steps:
[( 512 - 279 ) ÷ 279] x 100 = 83.51%
Formula
Percentage change = [(512 - 279) / 279] x 100
Subtract the new number by the original number
512 - 279 = 233
233 ÷ 279 = 0.8351254480286738
0.8351254480286738 x 100 = 83.51%