-92.75% is the change from 414 to 30
Calculation steps:
[( 30 - 414 ) ÷ 414] x 100 = -92.75%
Formula
Percentage change = [(30 - 414) / 414] x 100
Subtract the new number by the original number
30 - 414 = -384
-384 ÷ 414 = -0.927536231884058
-0.927536231884058 x 100 = -92.75%