-57% is the change from 707 to 304
Calculation steps:
[( 304 - 707 ) ÷ 707] x 100 = -57%
Formula
Percentage change = [(304 - 707) / 707] x 100
Subtract the new number by the original number
304 - 707 = -403
-403 ÷ 707 = -0.57001414427157
-0.57001414427157 x 100 = -57%