500% is the change from 123 to 738
Calculation steps:
[( 738 - 123 ) ÷ 123] x 100 = 500%
Formula
Percentage change = [(738 - 123) / 123] x 100
Subtract the new number by the original number
738 - 123 = 615
615 ÷ 123 = 5
5 x 100 = 500%
Example