69.85% is the change from 587 to 997
Calculation steps:
[( 997 - 587 ) ÷ 587] x 100 = 69.85%
Formula
Percentage change = [(997 - 587) / 587] x 100
Subtract the new number by the original number
997 - 587 = 410
410 ÷ 587 = 0.6984667802385008
0.6984667802385008 x 100 = 69.85%