-89.07% is the change from 741 to 81
Calculation steps:
[( 81 - 741 ) ÷ 741] x 100 = -89.07%
Formula
Percentage change = [(81 - 741) / 741] x 100
Subtract the new number by the original number
81 - 741 = -660
-660 ÷ 741 = -0.8906882591093117
-0.8906882591093117 x 100 = -89.07%