221.08% is the change from 204 to 655
Calculation steps:
[( 655 - 204 ) ÷ 204] x 100 = 221.08%
Formula
Percentage change = [(655 - 204) / 204] x 100
Subtract the new number by the original number
655 - 204 = 451
451 ÷ 204 = 2.2107843137254903
2.2107843137254903 x 100 = 221.08%