1029.07% is the change from 86 to 971
Calculation steps:
[( 971 - 86 ) ÷ 86] x 100 = 1029.07%
Formula
Percentage change = [(971 - 86) / 86] x 100
Subtract the new number by the original number
971 - 86 = 885
885 ÷ 86 = 10.290697674418604
10.290697674418604 x 100 = 1029.07%