-79.45% is the change from 764 to 157
Calculation steps:
[( 157 - 764 ) ÷ 764] x 100 = -79.45%
Formula
Percentage change = [(157 - 764) / 764] x 100
Subtract the new number by the original number
157 - 764 = -607
-607 ÷ 764 = -0.7945026178010471
-0.7945026178010471 x 100 = -79.45%