109.3% is the change from 473 to 990
Calculation steps:
[( 990 - 473 ) ÷ 473] x 100 = 109.3%
Formula
Percentage change = [(990 - 473) / 473] x 100
Subtract the new number by the original number
990 - 473 = 517
517 ÷ 473 = 1.0930232558139534
1.0930232558139534 x 100 = 109.3%