336.17% is the change from 188 to 820
Calculation steps:
[( 820 - 188 ) ÷ 188] x 100 = 336.17%
Formula
Percentage change = [(820 - 188) / 188] x 100
Subtract the new number by the original number
820 - 188 = 632
632 ÷ 188 = 3.3617021276595747
3.3617021276595747 x 100 = 336.17%