190.59% is the change from 340 to 988
Calculation steps:
[( 988 - 340 ) ÷ 340] x 100 = 190.59%
Formula
Percentage change = [(988 - 340) / 340] x 100
Subtract the new number by the original number
988 - 340 = 648
648 ÷ 340 = 1.9058823529411764
1.9058823529411764 x 100 = 190.59%