188.2% is the change from 339 to 977
Calculation steps:
[( 977 - 339 ) ÷ 339] x 100 = 188.2%
Formula
Percentage change = [(977 - 339) / 339] x 100
Subtract the new number by the original number
977 - 339 = 638
638 ÷ 339 = 1.8820058997050146
1.8820058997050146 x 100 = 188.2%