241.3% is the change from 138 to 471
Calculation steps:
[( 471 - 138 ) ÷ 138] x 100 = 241.3%
Formula
Percentage change = [(471 - 138) / 138] x 100
Subtract the new number by the original number
471 - 138 = 333
333 ÷ 138 = 2.4130434782608696
2.4130434782608696 x 100 = 241.3%