-84.16% is the change from 764 to 121
Calculation steps:
[( 121 - 764 ) ÷ 764] x 100 = -84.16%
Formula
Percentage change = [(121 - 764) / 764] x 100
Subtract the new number by the original number
121 - 764 = -643
-643 ÷ 764 = -0.8416230366492147
-0.8416230366492147 x 100 = -84.16%