-82.6% is the change from 454 to 79
Calculation steps:
[( 79 - 454 ) ÷ 454] x 100 = -82.6%
Formula
Percentage change = [(79 - 454) / 454] x 100
Subtract the new number by the original number
79 - 454 = -375
-375 ÷ 454 = -0.8259911894273128
-0.8259911894273128 x 100 = -82.6%