172.76% is the change from 301 to 821
Calculation steps:
[( 821 - 301 ) ÷ 301] x 100 = 172.76%
Formula
Percentage change = [(821 - 301) / 301] x 100
Subtract the new number by the original number
821 - 301 = 520
520 ÷ 301 = 1.7275747508305648
1.7275747508305648 x 100 = 172.76%