-92.04% is the change from 427 to 34
Calculation steps:
[( 34 - 427 ) ÷ 427] x 100 = -92.04%
Formula
Percentage change = [(34 - 427) / 427] x 100
Subtract the new number by the original number
34 - 427 = -393
-393 ÷ 427 = -0.9203747072599532
-0.9203747072599532 x 100 = -92.04%