115.9% is the change from 459 to 991
Calculation steps:
[( 991 - 459 ) ÷ 459] x 100 = 115.9%
Formula
Percentage change = [(991 - 459) / 459] x 100
Subtract the new number by the original number
991 - 459 = 532
532 ÷ 459 = 1.159041394335512
1.159041394335512 x 100 = 115.9%