177.94% is the change from 340 to 945
Calculation steps:
[( 945 - 340 ) ÷ 340] x 100 = 177.94%
Formula
Percentage change = [(945 - 340) / 340] x 100
Subtract the new number by the original number
945 - 340 = 605
605 ÷ 340 = 1.7794117647058822
1.7794117647058822 x 100 = 177.94%