-77.28% is the change from 427 to 97
Calculation steps:
[( 97 - 427 ) ÷ 427] x 100 = -77.28%
Formula
Percentage change = [(97 - 427) / 427] x 100
Subtract the new number by the original number
97 - 427 = -330
-330 ÷ 427 = -0.7728337236533958
-0.7728337236533958 x 100 = -77.28%