70.06% is the change from 521 to 886
Calculation steps:
[( 886 - 521 ) ÷ 521] x 100 = 70.06%
Formula
Percentage change = [(886 - 521) / 521] x 100
Subtract the new number by the original number
886 - 521 = 365
365 ÷ 521 = 0.7005758157389635
0.7005758157389635 x 100 = 70.06%