-91.6% is the change from 750 to 63
Calculation steps:
[( 63 - 750 ) ÷ 750] x 100 = -91.6%
Formula
Percentage change = [(63 - 750) / 750] x 100
Subtract the new number by the original number
63 - 750 = -687
-687 ÷ 750 = -0.916
-0.916 x 100 = -91.6%
Example