88.74% is the change from 515 to 972
Calculation steps:
[( 972 - 515 ) ÷ 515] x 100 = 88.74%
Formula
Percentage change = [(972 - 515) / 515] x 100
Subtract the new number by the original number
972 - 515 = 457
457 ÷ 515 = 0.887378640776699
0.887378640776699 x 100 = 88.74%