-25.3% is the change from 336 to 251
Calculation steps:
[( 251 - 336 ) ÷ 336] x 100 = -25.3%
Formula
Percentage change = [(251 - 336) / 336] x 100
Subtract the new number by the original number
251 - 336 = -85
-85 ÷ 336 = -0.25297619047619047
-0.25297619047619047 x 100 = -25.3%