91.84% is the change from 490 to 940
Calculation steps:
[( 940 - 490 ) ÷ 490] x 100 = 91.84%
Formula
Percentage change = [(940 - 490) / 490] x 100
Subtract the new number by the original number
940 - 490 = 450
450 ÷ 490 = 0.9183673469387755
0.9183673469387755 x 100 = 91.84%