281.36% is the change from 118 to 450
Calculation steps:
[( 450 - 118 ) ÷ 118] x 100 = 281.36%
Formula
Percentage change = [(450 - 118) / 118] x 100
Subtract the new number by the original number
450 - 118 = 332
332 ÷ 118 = 2.8135593220338984
2.8135593220338984 x 100 = 281.36%