-98.92% is the change from 930 to 10
Calculation steps:
[( 10 - 930 ) ÷ 930] x 100 = -98.92%
Formula
Percentage change = [(10 - 930) / 930] x 100
Subtract the new number by the original number
10 - 930 = -920
-920 ÷ 930 = -0.989247311827957
-0.989247311827957 x 100 = -98.92%