-69.88% is the change from 249 to 75
Calculation steps:
[( 75 - 249 ) ÷ 249] x 100 = -69.88%
Formula
Percentage change = [(75 - 249) / 249] x 100
Subtract the new number by the original number
75 - 249 = -174
-174 ÷ 249 = -0.6987951807228916
-0.6987951807228916 x 100 = -69.88%