170.26% is the change from 306 to 827
Calculation steps:
[( 827 - 306 ) ÷ 306] x 100 = 170.26%
Formula
Percentage change = [(827 - 306) / 306] x 100
Subtract the new number by the original number
827 - 306 = 521
521 ÷ 306 = 1.7026143790849673
1.7026143790849673 x 100 = 170.26%