-77.48% is the change from 755 to 170
Calculation steps:
[( 170 - 755 ) ÷ 755] x 100 = -77.48%
Formula
Percentage change = [(170 - 755) / 755] x 100
Subtract the new number by the original number
170 - 755 = -585
-585 ÷ 755 = -0.7748344370860927
-0.7748344370860927 x 100 = -77.48%