-63.23% is the change from 930 to 342
Calculation steps:
[( 342 - 930 ) ÷ 930] x 100 = -63.23%
Formula
Percentage change = [(342 - 930) / 930] x 100
Subtract the new number by the original number
342 - 930 = -588
-588 ÷ 930 = -0.632258064516129
-0.632258064516129 x 100 = -63.23%