169.77% is the change from 311 to 839
Calculation steps:
[( 839 - 311 ) ÷ 311] x 100 = 169.77%
Formula
Percentage change = [(839 - 311) / 311] x 100
Subtract the new number by the original number
839 - 311 = 528
528 ÷ 311 = 1.697749196141479
1.697749196141479 x 100 = 169.77%