-73.9% is the change from 272 to 71
Calculation steps:
[( 71 - 272 ) ÷ 272] x 100 = -73.9%
Formula
Percentage change = [(71 - 272) / 272] x 100
Subtract the new number by the original number
71 - 272 = -201
-201 ÷ 272 = -0.7389705882352942
-0.7389705882352942 x 100 = -73.9%