87.67% is the change from 519 to 974
Calculation steps:
[( 974 - 519 ) ÷ 519] x 100 = 87.67%
Formula
Percentage change = [(974 - 519) / 519] x 100
Subtract the new number by the original number
974 - 519 = 455
455 ÷ 519 = 0.8766859344894027
0.8766859344894027 x 100 = 87.67%