-93.12% is the change from 930 to 64
Calculation steps:
[( 64 - 930 ) ÷ 930] x 100 = -93.12%
Formula
Percentage change = [(64 - 930) / 930] x 100
Subtract the new number by the original number
64 - 930 = -866
-866 ÷ 930 = -0.9311827956989247
-0.9311827956989247 x 100 = -93.12%