195.42% is the change from 306 to 904
Calculation steps:
[( 904 - 306 ) ÷ 306] x 100 = 195.42%
Formula
Percentage change = [(904 - 306) / 306] x 100
Subtract the new number by the original number
904 - 306 = 598
598 ÷ 306 = 1.9542483660130718
1.9542483660130718 x 100 = 195.42%