-26.85% is the change from 324 to 237
Calculation steps:
[( 237 - 324 ) ÷ 324] x 100 = -26.85%
Formula
Percentage change = [(237 - 324) / 324] x 100
Subtract the new number by the original number
237 - 324 = -87
-87 ÷ 324 = -0.26851851851851855
-0.26851851851851855 x 100 = -26.85%