56.9% is the change from 587 to 921
Calculation steps:
[( 921 - 587 ) ÷ 587] x 100 = 56.9%
Formula
Percentage change = [(921 - 587) / 587] x 100
Subtract the new number by the original number
921 - 587 = 334
334 ÷ 587 = 0.5689948892674617
0.5689948892674617 x 100 = 56.9%