-47.53% is the change from 324 to 170
Calculation steps:
[( 170 - 324 ) ÷ 324] x 100 = -47.53%
Formula
Percentage change = [(170 - 324) / 324] x 100
Subtract the new number by the original number
170 - 324 = -154
-154 ÷ 324 = -0.47530864197530864
-0.47530864197530864 x 100 = -47.53%