-42.57% is the change from 296 to 170
Calculation steps:
[( 170 - 296 ) ÷ 296] x 100 = -42.57%
Formula
Percentage change = [(170 - 296) / 296] x 100
Subtract the new number by the original number
170 - 296 = -126
-126 ÷ 296 = -0.42567567567567566
-0.42567567567567566 x 100 = -42.57%