70.25% is the change from 521 to 887
Calculation steps:
[( 887 - 521 ) ÷ 521] x 100 = 70.25%
Formula
Percentage change = [(887 - 521) / 521] x 100
Subtract the new number by the original number
887 - 521 = 366
366 ÷ 521 = 0.7024952015355086
0.7024952015355086 x 100 = 70.25%