99.79% is the change from 486 to 971
Calculation steps:
[( 971 - 486 ) ÷ 486] x 100 = 99.79%
Formula
Percentage change = [(971 - 486) / 486] x 100
Subtract the new number by the original number
971 - 486 = 485
485 ÷ 486 = 0.9979423868312757
0.9979423868312757 x 100 = 99.79%