500% is the change from 38 to 228
Calculation steps:
[( 228 - 38 ) ÷ 38] x 100 = 500%
Formula
Percentage change = [(228 - 38) / 38] x 100
Subtract the new number by the original number
228 - 38 = 190
190 ÷ 38 = 5
5 x 100 = 500%
Example