-84.54% is the change from 291 to 45
Calculation steps:
[( 45 - 291 ) ÷ 291] x 100 = -84.54%
Formula
Percentage change = [(45 - 291) / 291] x 100
Subtract the new number by the original number
45 - 291 = -246
-246 ÷ 291 = -0.845360824742268
-0.845360824742268 x 100 = -84.54%