18.53% is the change from 734 to 870
Calculation steps:
[( 870 - 734 ) ÷ 734] x 100 = 18.53%
Formula
Percentage change = [(870 - 734) / 734] x 100
Subtract the new number by the original number
870 - 734 = 136
136 ÷ 734 = 0.18528610354223432
0.18528610354223432 x 100 = 18.53%