161.76% is the change from 340 to 890
Calculation steps:
[( 890 - 340 ) ÷ 340] x 100 = 161.76%
Formula
Percentage change = [(890 - 340) / 340] x 100
Subtract the new number by the original number
890 - 340 = 550
550 ÷ 340 = 1.6176470588235294
1.6176470588235294 x 100 = 161.76%