-71.37% is the change from 248 to 71
Calculation steps:
[( 71 - 248 ) ÷ 248] x 100 = -71.37%
Formula
Percentage change = [(71 - 248) / 248] x 100
Subtract the new number by the original number
71 - 248 = -177
-177 ÷ 248 = -0.7137096774193549
-0.7137096774193549 x 100 = -71.37%