-69.53% is the change from 886 to 270
Calculation steps:
[( 270 - 886 ) ÷ 886] x 100 = -69.53%
Formula
Percentage change = [(270 - 886) / 886] x 100
Subtract the new number by the original number
270 - 886 = -616
-616 ÷ 886 = -0.6952595936794582
-0.6952595936794582 x 100 = -69.53%