304.35% is the change from 69 to 279
Calculation steps:
[( 279 - 69 ) ÷ 69] x 100 = 304.35%
Formula
Percentage change = [(279 - 69) / 69] x 100
Subtract the new number by the original number
279 - 69 = 210
210 ÷ 69 = 3.0434782608695654
3.0434782608695654 x 100 = 304.35%