-78.47% is the change from 799 to 172
Calculation steps:
[( 172 - 799 ) ÷ 799] x 100 = -78.47%
Formula
Percentage change = [(172 - 799) / 799] x 100
Subtract the new number by the original number
172 - 799 = -627
-627 ÷ 799 = -0.7847309136420526
-0.7847309136420526 x 100 = -78.47%