70.19% is the change from 587 to 999
Calculation steps:
[( 999 - 587 ) ÷ 587] x 100 = 70.19%
Formula
Percentage change = [(999 - 587) / 587] x 100
Subtract the new number by the original number
999 - 587 = 412
412 ÷ 587 = 0.7018739352640545
0.7018739352640545 x 100 = 70.19%