334.78% is the change from 138 to 600
Calculation steps:
[( 600 - 138 ) ÷ 138] x 100 = 334.78%
Formula
Percentage change = [(600 - 138) / 138] x 100
Subtract the new number by the original number
600 - 138 = 462
462 ÷ 138 = 3.347826086956522
3.347826086956522 x 100 = 334.78%