173.53% is the change from 306 to 837
Calculation steps:
[( 837 - 306 ) ÷ 306] x 100 = 173.53%
Formula
Percentage change = [(837 - 306) / 306] x 100
Subtract the new number by the original number
837 - 306 = 531
531 ÷ 306 = 1.7352941176470589
1.7352941176470589 x 100 = 173.53%