-44.44% is the change from 306 to 170
Calculation steps:
[( 170 - 306 ) ÷ 306] x 100 = -44.44%
Formula
Percentage change = [(170 - 306) / 306] x 100
Subtract the new number by the original number
170 - 306 = -136
-136 ÷ 306 = -0.4444444444444444
-0.4444444444444444 x 100 = -44.44%