-69.87% is the change from 448 to 135
Calculation steps:
[( 135 - 448 ) ÷ 448] x 100 = -69.87%
Formula
Percentage change = [(135 - 448) / 448] x 100
Subtract the new number by the original number
135 - 448 = -313
-313 ÷ 448 = -0.6986607142857143
-0.6986607142857143 x 100 = -69.87%