-42.25% is the change from 445 to 257
Calculation steps:
[( 257 - 445 ) ÷ 445] x 100 = -42.25%
Formula
Percentage change = [(257 - 445) / 445] x 100
Subtract the new number by the original number
257 - 445 = -188
-188 ÷ 445 = -0.42247191011235957
-0.42247191011235957 x 100 = -42.25%