-97.59% is the change from 249 to 6
Calculation steps:
[( 6 - 249 ) ÷ 249] x 100 = -97.59%
Formula
Percentage change = [(6 - 249) / 249] x 100
Subtract the new number by the original number
6 - 249 = -243
-243 ÷ 249 = -0.9759036144578314
-0.9759036144578314 x 100 = -97.59%