-25.07% is the change from 335 to 251
Calculation steps:
[( 251 - 335 ) ÷ 335] x 100 = -25.07%
Formula
Percentage change = [(251 - 335) / 335] x 100
Subtract the new number by the original number
251 - 335 = -84
-84 ÷ 335 = -0.2507462686567164
-0.2507462686567164 x 100 = -25.07%