6900% is the change from 4 to 280
Calculation steps:
[( 280 - 4 ) ÷ 4] x 100 = 6900%
Formula
Percentage change = [(280 - 4) / 4] x 100
Subtract the new number by the original number
280 - 4 = 276
276 ÷ 4 = 69
69 x 100 = 6900%
Example