223.23% is the change from 254 to 821
Calculation steps:
[( 821 - 254 ) ÷ 254] x 100 = 223.23%
Formula
Percentage change = [(821 - 254) / 254] x 100
Subtract the new number by the original number
821 - 254 = 567
567 ÷ 254 = 2.232283464566929
2.232283464566929 x 100 = 223.23%