-77.67% is the change from 421 to 94
Calculation steps:
[( 94 - 421 ) ÷ 421] x 100 = -77.67%
Formula
Percentage change = [(94 - 421) / 421] x 100
Subtract the new number by the original number
94 - 421 = -327
-327 ÷ 421 = -0.7767220902612827
-0.7767220902612827 x 100 = -77.67%