173.36% is the change from 304 to 831
Calculation steps:
[( 831 - 304 ) ÷ 304] x 100 = 173.36%
Formula
Percentage change = [(831 - 304) / 304] x 100
Subtract the new number by the original number
831 - 304 = 527
527 ÷ 304 = 1.7335526315789473
1.7335526315789473 x 100 = 173.36%