-82.28% is the change from 254 to 45
Calculation steps:
[( 45 - 254 ) ÷ 254] x 100 = -82.28%
Formula
Percentage change = [(45 - 254) / 254] x 100
Subtract the new number by the original number
45 - 254 = -209
-209 ÷ 254 = -0.8228346456692913
-0.8228346456692913 x 100 = -82.28%