-84.38% is the change from 448 to 70
Calculation steps:
[( 70 - 448 ) ÷ 448] x 100 = -84.38%
Formula
Percentage change = [(70 - 448) / 448] x 100
Subtract the new number by the original number
70 - 448 = -378
-378 ÷ 448 = -0.84375
-0.84375 x 100 = -84.38%