-89.5% is the change from 971 to 102
Calculation steps:
[( 102 - 971 ) ÷ 971] x 100 = -89.5%
Formula
Percentage change = [(102 - 971) / 971] x 100
Subtract the new number by the original number
102 - 971 = -869
-869 ÷ 971 = -0.8949536560247168
-0.8949536560247168 x 100 = -89.5%