173.29% is the change from 307 to 839
Calculation steps:
[( 839 - 307 ) ÷ 307] x 100 = 173.29%
Formula
Percentage change = [(839 - 307) / 307] x 100
Subtract the new number by the original number
839 - 307 = 532
532 ÷ 307 = 1.732899022801303
1.732899022801303 x 100 = 173.29%