-73.51% is the change from 268 to 71
Calculation steps:
[( 71 - 268 ) ÷ 268] x 100 = -73.51%
Formula
Percentage change = [(71 - 268) / 268] x 100
Subtract the new number by the original number
71 - 268 = -197
-197 ÷ 268 = -0.7350746268656716
-0.7350746268656716 x 100 = -73.51%