25.79% is the change from 221 to 278
Calculation steps:
[( 278 - 221 ) ÷ 221] x 100 = 25.79%
Formula
Percentage change = [(278 - 221) / 221] x 100
Subtract the new number by the original number
278 - 221 = 57
57 ÷ 221 = 0.2579185520361991
0.2579185520361991 x 100 = 25.79%