98.21% is the change from 279 to 553
Calculation steps:
[( 553 - 279 ) ÷ 279] x 100 = 98.21%
Formula
Percentage change = [(553 - 279) / 279] x 100
Subtract the new number by the original number
553 - 279 = 274
274 ÷ 279 = 0.982078853046595
0.982078853046595 x 100 = 98.21%