188.82% is the change from 304 to 878
Calculation steps:
[( 878 - 304 ) ÷ 304] x 100 = 188.82%
Formula
Percentage change = [(878 - 304) / 304] x 100
Subtract the new number by the original number
878 - 304 = 574
574 ÷ 304 = 1.888157894736842
1.888157894736842 x 100 = 188.82%