-57.39% is the change from 751 to 320
Calculation steps:
[( 320 - 751 ) ÷ 751] x 100 = -57.39%
Formula
Percentage change = [(320 - 751) / 751] x 100
Subtract the new number by the original number
320 - 751 = -431
-431 ÷ 751 = -0.5739014647137151
-0.5739014647137151 x 100 = -57.39%