-69.86% is the change from 899 to 271
Calculation steps:
[( 271 - 899 ) ÷ 899] x 100 = -69.86%
Formula
Percentage change = [(271 - 899) / 899] x 100
Subtract the new number by the original number
271 - 899 = -628
-628 ÷ 899 = -0.6985539488320356
-0.6985539488320356 x 100 = -69.86%