-80% is the change from 765 to 153
Calculation steps:
[( 153 - 765 ) ÷ 765] x 100 = -80%
Formula
Percentage change = [(153 - 765) / 765] x 100
Subtract the new number by the original number
153 - 765 = -612
-612 ÷ 765 = -0.8
-0.8 x 100 = -80%
Example