-60.15% is the change from 394 to 157
Calculation steps:
[( 157 - 394 ) ÷ 394] x 100 = -60.15%
Formula
Percentage change = [(157 - 394) / 394] x 100
Subtract the new number by the original number
157 - 394 = -237
-237 ÷ 394 = -0.6015228426395939
-0.6015228426395939 x 100 = -60.15%