-77.78% is the change from 423 to 94
Calculation steps:
[( 94 - 423 ) ÷ 423] x 100 = -77.78%
Formula
Percentage change = [(94 - 423) / 423] x 100
Subtract the new number by the original number
94 - 423 = -329
-329 ÷ 423 = -0.7777777777777778
-0.7777777777777778 x 100 = -77.78%