101.22% is the change from 492 to 990
Calculation steps:
[( 990 - 492 ) ÷ 492] x 100 = 101.22%
Formula
Percentage change = [(990 - 492) / 492] x 100
Subtract the new number by the original number
990 - 492 = 498
498 ÷ 492 = 1.0121951219512195
1.0121951219512195 x 100 = 101.22%