-82.64% is the change from 455 to 79
Calculation steps:
[( 79 - 455 ) ÷ 455] x 100 = -82.64%
Formula
Percentage change = [(79 - 455) / 455] x 100
Subtract the new number by the original number
79 - 455 = -376
-376 ÷ 455 = -0.8263736263736263
-0.8263736263736263 x 100 = -82.64%