68.46% is the change from 279 to 470
Calculation steps:
[( 470 - 279 ) ÷ 279] x 100 = 68.46%
Formula
Percentage change = [(470 - 279) / 279] x 100
Subtract the new number by the original number
470 - 279 = 191
191 ÷ 279 = 0.6845878136200717
0.6845878136200717 x 100 = 68.46%