180% is the change from 345 to 966
Calculation steps:
[( 966 - 345 ) ÷ 345] x 100 = 180%
Formula
Percentage change = [(966 - 345) / 345] x 100
Subtract the new number by the original number
966 - 345 = 621
621 ÷ 345 = 1.8
1.8 x 100 = 180%
Example