-79.4% is the change from 767 to 158
Calculation steps:
[( 158 - 767 ) ÷ 767] x 100 = -79.4%
Formula
Percentage change = [(158 - 767) / 767] x 100
Subtract the new number by the original number
158 - 767 = -609
-609 ÷ 767 = -0.7940026075619296
-0.7940026075619296 x 100 = -79.4%