26.7% is the change from 221 to 280
Calculation steps:
[( 280 - 221 ) ÷ 221] x 100 = 26.7%
Formula
Percentage change = [(280 - 221) / 221] x 100
Subtract the new number by the original number
280 - 221 = 59
59 ÷ 221 = 0.2669683257918552
0.2669683257918552 x 100 = 26.7%