73.01% is the change from 515 to 891
Calculation steps:
[( 891 - 515 ) ÷ 515] x 100 = 73.01%
Formula
Percentage change = [(891 - 515) / 515] x 100
Subtract the new number by the original number
891 - 515 = 376
376 ÷ 515 = 0.7300970873786408
0.7300970873786408 x 100 = 73.01%