-1.99% is the change from 251 to 246
Calculation steps:
[( 246 - 251 ) ÷ 251] x 100 = -1.99%
Formula
Percentage change = [(246 - 251) / 251] x 100
Subtract the new number by the original number
246 - 251 = -5
-5 ÷ 251 = -0.0199203187250996
-0.0199203187250996 x 100 = -1.99%