336.36% is the change from 187 to 816
Calculation steps:
[( 816 - 187 ) ÷ 187] x 100 = 336.36%
Formula
Percentage change = [(816 - 187) / 187] x 100
Subtract the new number by the original number
816 - 187 = 629
629 ÷ 187 = 3.3636363636363638
3.3636363636363638 x 100 = 336.36%