-88.62% is the change from 448 to 51
Calculation steps:
[( 51 - 448 ) ÷ 448] x 100 = -88.62%
Formula
Percentage change = [(51 - 448) / 448] x 100
Subtract the new number by the original number
51 - 448 = -397
-397 ÷ 448 = -0.8861607142857143
-0.8861607142857143 x 100 = -88.62%