-45.38% is the change from 249 to 136
Calculation steps:
[( 136 - 249 ) ÷ 249] x 100 = -45.38%
Formula
Percentage change = [(136 - 249) / 249] x 100
Subtract the new number by the original number
136 - 249 = -113
-113 ÷ 249 = -0.4538152610441767
-0.4538152610441767 x 100 = -45.38%