-77% is the change from 739 to 170
Calculation steps:
[( 170 - 739 ) ÷ 739] x 100 = -77%
Formula
Percentage change = [(170 - 739) / 739] x 100
Subtract the new number by the original number
170 - 739 = -569
-569 ÷ 739 = -0.7699594046008119
-0.7699594046008119 x 100 = -77%