-78.27% is the change from 405 to 88
Calculation steps:
[( 88 - 405 ) ÷ 405] x 100 = -78.27%
Formula
Percentage change = [(88 - 405) / 405] x 100
Subtract the new number by the original number
88 - 405 = -317
-317 ÷ 405 = -0.782716049382716
-0.782716049382716 x 100 = -78.27%