173.91% is the change from 345 to 945
Calculation steps:
[( 945 - 345 ) ÷ 345] x 100 = 173.91%
Formula
Percentage change = [(945 - 345) / 345] x 100
Subtract the new number by the original number
945 - 345 = 600
600 ÷ 345 = 1.7391304347826086
1.7391304347826086 x 100 = 173.91%