18.37% is the change from 735 to 870
Calculation steps:
[( 870 - 735 ) ÷ 735] x 100 = 18.37%
Formula
Percentage change = [(870 - 735) / 735] x 100
Subtract the new number by the original number
870 - 735 = 135
135 ÷ 735 = 0.1836734693877551
0.1836734693877551 x 100 = 18.37%