-77.92% is the change from 453 to 100
Calculation steps:
[( 100 - 453 ) ÷ 453] x 100 = -77.92%
Formula
Percentage change = [(100 - 453) / 453] x 100
Subtract the new number by the original number
100 - 453 = -353
-353 ÷ 453 = -0.7792494481236203
-0.7792494481236203 x 100 = -77.92%