-97.1% is the change from 930 to 27
Calculation steps:
[( 27 - 930 ) ÷ 930] x 100 = -97.1%
Formula
Percentage change = [(27 - 930) / 930] x 100
Subtract the new number by the original number
27 - 930 = -903
-903 ÷ 930 = -0.9709677419354839
-0.9709677419354839 x 100 = -97.1%