-57.88% is the change from 933 to 393
Calculation steps:
[( 393 - 933 ) ÷ 933] x 100 = -57.88%
Formula
Percentage change = [(393 - 933) / 933] x 100
Subtract the new number by the original number
393 - 933 = -540
-540 ÷ 933 = -0.5787781350482315
-0.5787781350482315 x 100 = -57.88%