287.23% is the change from 188 to 728
Calculation steps:
[( 728 - 188 ) ÷ 188] x 100 = 287.23%
Formula
Percentage change = [(728 - 188) / 188] x 100
Subtract the new number by the original number
728 - 188 = 540
540 ÷ 188 = 2.872340425531915
2.872340425531915 x 100 = 287.23%