-23.38% is the change from 402 to 308
Calculation steps:
[( 308 - 402 ) ÷ 402] x 100 = -23.38%
Formula
Percentage change = [(308 - 402) / 402] x 100
Subtract the new number by the original number
308 - 402 = -94
-94 ÷ 402 = -0.23383084577114427
-0.23383084577114427 x 100 = -23.38%