107.76% is the change from 477 to 991
Calculation steps:
[( 991 - 477 ) ÷ 477] x 100 = 107.76%
Formula
Percentage change = [(991 - 477) / 477] x 100
Subtract the new number by the original number
991 - 477 = 514
514 ÷ 477 = 1.0775681341719077
1.0775681341719077 x 100 = 107.76%