-77.72% is the change from 772 to 172
Calculation steps:
[( 172 - 772 ) ÷ 772] x 100 = -77.72%
Formula
Percentage change = [(172 - 772) / 772] x 100
Subtract the new number by the original number
172 - 772 = -600
-600 ÷ 772 = -0.7772020725388601
-0.7772020725388601 x 100 = -77.72%