-40.56% is the change from 249 to 148
Calculation steps:
[( 148 - 249 ) ÷ 249] x 100 = -40.56%
Formula
Percentage change = [(148 - 249) / 249] x 100
Subtract the new number by the original number
148 - 249 = -101
-101 ÷ 249 = -0.40562248995983935
-0.40562248995983935 x 100 = -40.56%