-85.2% is the change from 304 to 45
Calculation steps:
[( 45 - 304 ) ÷ 304] x 100 = -85.2%
Formula
Percentage change = [(45 - 304) / 304] x 100
Subtract the new number by the original number
45 - 304 = -259
-259 ÷ 304 = -0.8519736842105263
-0.8519736842105263 x 100 = -85.2%