509.42% is the change from 138 to 841
Calculation steps:
[( 841 - 138 ) ÷ 138] x 100 = 509.42%
Formula
Percentage change = [(841 - 138) / 138] x 100
Subtract the new number by the original number
841 - 138 = 703
703 ÷ 138 = 5.094202898550725
5.094202898550725 x 100 = 509.42%