-46.4% is the change from 250 to 134
Calculation steps:
[( 134 - 250 ) ÷ 250] x 100 = -46.4%
Formula
Percentage change = [(134 - 250) / 250] x 100
Subtract the new number by the original number
134 - 250 = -116
-116 ÷ 250 = -0.464
-0.464 x 100 = -46.4%