91.85% is the change from 491 to 942
Calculation steps:
[( 942 - 491 ) ÷ 491] x 100 = 91.85%
Formula
Percentage change = [(942 - 491) / 491] x 100
Subtract the new number by the original number
942 - 491 = 451
451 ÷ 491 = 0.9185336048879837
0.9185336048879837 x 100 = 91.85%