-81.25% is the change from 304 to 57
Calculation steps:
[( 57 - 304 ) ÷ 304] x 100 = -81.25%
Formula
Percentage change = [(57 - 304) / 304] x 100
Subtract the new number by the original number
57 - 304 = -247
-247 ÷ 304 = -0.8125
-0.8125 x 100 = -81.25%