400% is the change from 191 to 955
Calculation steps:
[( 955 - 191 ) ÷ 191] x 100 = 400%
Formula
Percentage change = [(955 - 191) / 191] x 100
Subtract the new number by the original number
955 - 191 = 764
764 ÷ 191 = 4
4 x 100 = 400%
Example