-77.49% is the change from 764 to 172
Calculation steps:
[( 172 - 764 ) ÷ 764] x 100 = -77.49%
Formula
Percentage change = [(172 - 764) / 764] x 100
Subtract the new number by the original number
172 - 764 = -592
-592 ÷ 764 = -0.774869109947644
-0.774869109947644 x 100 = -77.49%
Example