-78.3% is the change from 447 to 97
Calculation steps:
[( 97 - 447 ) ÷ 447] x 100 = -78.3%
Formula
Percentage change = [(97 - 447) / 447] x 100
Subtract the new number by the original number
97 - 447 = -350
-350 ÷ 447 = -0.7829977628635347
-0.7829977628635347 x 100 = -78.3%