-66.57% is the change from 993 to 332
Calculation steps:
[( 332 - 993 ) ÷ 993] x 100 = -66.57%
Formula
Percentage change = [(332 - 993) / 993] x 100
Subtract the new number by the original number
332 - 993 = -661
-661 ÷ 993 = -0.6656596173212488
-0.6656596173212488 x 100 = -66.57%