306.44% is the change from 202 to 821
Calculation steps:
[( 821 - 202 ) ÷ 202] x 100 = 306.44%
Formula
Percentage change = [(821 - 202) / 202] x 100
Subtract the new number by the original number
821 - 202 = 619
619 ÷ 202 = 3.0643564356435644
3.0643564356435644 x 100 = 306.44%