-92.4% is the change from 750 to 57
Calculation steps:
[( 57 - 750 ) ÷ 750] x 100 = -92.4%
Formula
Percentage change = [(57 - 750) / 750] x 100
Subtract the new number by the original number
57 - 750 = -693
-693 ÷ 750 = -0.924
-0.924 x 100 = -92.4%
Example