450% is the change from 172 to 946
Calculation steps:
[( 946 - 172 ) ÷ 172] x 100 = 450%
Formula
Percentage change = [(946 - 172) / 172] x 100
Subtract the new number by the original number
946 - 172 = 774
774 ÷ 172 = 4.5
4.5 x 100 = 450%
Example