-89.36% is the change from 761 to 81
Calculation steps:
[( 81 - 761 ) ÷ 761] x 100 = -89.36%
Formula
Percentage change = [(81 - 761) / 761] x 100
Subtract the new number by the original number
81 - 761 = -680
-680 ÷ 761 = -0.8935611038107752
-0.8935611038107752 x 100 = -89.36%