-79.87% is the change from 452 to 91
Calculation steps:
[( 91 - 452 ) ÷ 452] x 100 = -79.87%
Formula
Percentage change = [(91 - 452) / 452] x 100
Subtract the new number by the original number
91 - 452 = -361
-361 ÷ 452 = -0.7986725663716814
-0.7986725663716814 x 100 = -79.87%