-78.1% is the change from 452 to 99
Calculation steps:
[( 99 - 452 ) ÷ 452] x 100 = -78.1%
Formula
Percentage change = [(99 - 452) / 452] x 100
Subtract the new number by the original number
99 - 452 = -353
-353 ÷ 452 = -0.7809734513274337
-0.7809734513274337 x 100 = -78.1%