-92% is the change from 375 to 30
Calculation steps:
[( 30 - 375 ) ÷ 375] x 100 = -92%
Formula
Percentage change = [(30 - 375) / 375] x 100
Subtract the new number by the original number
30 - 375 = -345
-345 ÷ 375 = -0.92
-0.92 x 100 = -92%
Example