-78.42% is the change from 797 to 172
Calculation steps:
[( 172 - 797 ) ÷ 797] x 100 = -78.42%
Formula
Percentage change = [(172 - 797) / 797] x 100
Subtract the new number by the original number
172 - 797 = -625
-625 ÷ 797 = -0.7841907151819323
-0.7841907151819323 x 100 = -78.42%