169.61% is the change from 306 to 825
Calculation steps:
[( 825 - 306 ) ÷ 306] x 100 = 169.61%
Formula
Percentage change = [(825 - 306) / 306] x 100
Subtract the new number by the original number
825 - 306 = 519
519 ÷ 306 = 1.696078431372549
1.696078431372549 x 100 = 169.61%