-82.78% is the change from 453 to 78
Calculation steps:
[( 78 - 453 ) ÷ 453] x 100 = -82.78%
Formula
Percentage change = [(78 - 453) / 453] x 100
Subtract the new number by the original number
78 - 453 = -375
-375 ÷ 453 = -0.8278145695364238
-0.8278145695364238 x 100 = -82.78%