-78.73% is the change from 456 to 97
Calculation steps:
[( 97 - 456 ) ÷ 456] x 100 = -78.73%
Formula
Percentage change = [(97 - 456) / 456] x 100
Subtract the new number by the original number
97 - 456 = -359
-359 ÷ 456 = -0.7872807017543859
-0.7872807017543859 x 100 = -78.73%