173.2% is the change from 306 to 836
Calculation steps:
[( 836 - 306 ) ÷ 306] x 100 = 173.2%
Formula
Percentage change = [(836 - 306) / 306] x 100
Subtract the new number by the original number
836 - 306 = 530
530 ÷ 306 = 1.7320261437908497
1.7320261437908497 x 100 = 173.2%