400% is the change from 173 to 865
Calculation steps:
[( 865 - 173 ) ÷ 173] x 100 = 400%
Formula
Percentage change = [(865 - 173) / 173] x 100
Subtract the new number by the original number
865 - 173 = 692
692 ÷ 173 = 4
4 x 100 = 400%
Example