108.89% is the change from 450 to 940
Calculation steps:
[( 940 - 450 ) ÷ 450] x 100 = 108.89%
Formula
Percentage change = [(940 - 450) / 450] x 100
Subtract the new number by the original number
940 - 450 = 490
490 ÷ 450 = 1.0888888888888888
1.0888888888888888 x 100 = 108.89%