166.35% is the change from 315 to 839
Calculation steps:
[( 839 - 315 ) ÷ 315] x 100 = 166.35%
Formula
Percentage change = [(839 - 315) / 315] x 100
Subtract the new number by the original number
839 - 315 = 524
524 ÷ 315 = 1.6634920634920636
1.6634920634920636 x 100 = 166.35%