226.09% is the change from 138 to 450
Calculation steps:
[( 450 - 138 ) ÷ 138] x 100 = 226.09%
Formula
Percentage change = [(450 - 138) / 138] x 100
Subtract the new number by the original number
450 - 138 = 312
312 ÷ 138 = 2.260869565217391
2.260869565217391 x 100 = 226.09%