336.7% is the change from 188 to 821
Calculation steps:
[( 821 - 188 ) ÷ 188] x 100 = 336.7%
Formula
Percentage change = [(821 - 188) / 188] x 100
Subtract the new number by the original number
821 - 188 = 633
633 ÷ 188 = 3.367021276595745
3.367021276595745 x 100 = 336.7%