-77.75% is the change from 764 to 170
Calculation steps:
[( 170 - 764 ) ÷ 764] x 100 = -77.75%
Formula
Percentage change = [(170 - 764) / 764] x 100
Subtract the new number by the original number
170 - 764 = -594
-594 ÷ 764 = -0.7774869109947644
-0.7774869109947644 x 100 = -77.75%