-57.85% is the change from 930 to 392
Calculation steps:
[( 392 - 930 ) ÷ 930] x 100 = -57.85%
Formula
Percentage change = [(392 - 930) / 930] x 100
Subtract the new number by the original number
392 - 930 = -538
-538 ÷ 930 = -0.578494623655914
-0.578494623655914 x 100 = -57.85%