231.94% is the change from 191 to 634
Calculation steps:
[( 634 - 191 ) ÷ 191] x 100 = 231.94%
Formula
Percentage change = [(634 - 191) / 191] x 100
Subtract the new number by the original number
634 - 191 = 443
443 ÷ 191 = 2.319371727748691
2.319371727748691 x 100 = 231.94%