-84.15% is the change from 448 to 71
Calculation steps:
[( 71 - 448 ) ÷ 448] x 100 = -84.15%
Formula
Percentage change = [(71 - 448) / 448] x 100
Subtract the new number by the original number
71 - 448 = -377
-377 ÷ 448 = -0.8415178571428571
-0.8415178571428571 x 100 = -84.15%