-92.75% is the change from 345 to 25
Calculation steps:
[( 25 - 345 ) ÷ 345] x 100 = -92.75%
Formula
Percentage change = [(25 - 345) / 345] x 100
Subtract the new number by the original number
25 - 345 = -320
-320 ÷ 345 = -0.927536231884058
-0.927536231884058 x 100 = -92.75%