170.8% is the change from 339 to 918
Calculation steps:
[( 918 - 339 ) ÷ 339] x 100 = 170.8%
Formula
Percentage change = [(918 - 339) / 339] x 100
Subtract the new number by the original number
918 - 339 = 579
579 ÷ 339 = 1.7079646017699115
1.7079646017699115 x 100 = 170.8%