400% is the change from 174 to 870
Calculation steps:
[( 870 - 174 ) ÷ 174] x 100 = 400%
Formula
Percentage change = [(870 - 174) / 174] x 100
Subtract the new number by the original number
870 - 174 = 696
696 ÷ 174 = 4
4 x 100 = 400%
Example