-48.13% is the change from 991 to 514
Calculation steps:
[( 514 - 991 ) ÷ 991] x 100 = -48.13%
Formula
Percentage change = [(514 - 991) / 991] x 100
Subtract the new number by the original number
514 - 991 = -477
-477 ÷ 991 = -0.48133198789101916
-0.48133198789101916 x 100 = -48.13%