-78.07% is the change from 424 to 93
Calculation steps:
[( 93 - 424 ) ÷ 424] x 100 = -78.07%
Formula
Percentage change = [(93 - 424) / 424] x 100
Subtract the new number by the original number
93 - 424 = -331
-331 ÷ 424 = -0.7806603773584906
-0.7806603773584906 x 100 = -78.07%