90.91% is the change from 517 to 987
Calculation steps:
[( 987 - 517 ) ÷ 517] x 100 = 90.91%
Formula
Percentage change = [(987 - 517) / 517] x 100
Subtract the new number by the original number
987 - 517 = 470
470 ÷ 517 = 0.9090909090909091
0.9090909090909091 x 100 = 90.91%