-30.89% is the change from 246 to 170
Calculation steps:
[( 170 - 246 ) ÷ 246] x 100 = -30.89%
Formula
Percentage change = [(170 - 246) / 246] x 100
Subtract the new number by the original number
170 - 246 = -76
-76 ÷ 246 = -0.3089430894308943
-0.3089430894308943 x 100 = -30.89%