530.43% is the change from 138 to 870
Calculation steps:
[( 870 - 138 ) ÷ 138] x 100 = 530.43%
Formula
Percentage change = [(870 - 138) / 138] x 100
Subtract the new number by the original number
870 - 138 = 732
732 ÷ 138 = 5.304347826086956
5.304347826086956 x 100 = 530.43%