326.7% is the change from 191 to 815
Calculation steps:
[( 815 - 191 ) ÷ 191] x 100 = 326.7%
Formula
Percentage change = [(815 - 191) / 191] x 100
Subtract the new number by the original number
815 - 191 = 624
624 ÷ 191 = 3.2670157068062826
3.2670157068062826 x 100 = 326.7%