300% is the change from 191 to 764
Calculation steps:
[( 764 - 191 ) ÷ 191] x 100 = 300%
Formula
Percentage change = [(764 - 191) / 191] x 100
Subtract the new number by the original number
764 - 191 = 573
573 ÷ 191 = 3
3 x 100 = 300%
Example