-91.09% is the change from 976 to 87
Calculation steps:
[( 87 - 976 ) ÷ 976] x 100 = -91.09%
Formula
Percentage change = [(87 - 976) / 976] x 100
Subtract the new number by the original number
87 - 976 = -889
-889 ÷ 976 = -0.9108606557377049
-0.9108606557377049 x 100 = -91.09%