-89.4% is the change from 783 to 83
Calculation steps:
[( 83 - 783 ) ÷ 783] x 100 = -89.4%
Formula
Percentage change = [(83 - 783) / 783] x 100
Subtract the new number by the original number
83 - 783 = -700
-700 ÷ 783 = -0.8939974457215837
-0.8939974457215837 x 100 = -89.4%