-37.34% is the change from 308 to 193
Calculation steps:
[( 193 - 308 ) ÷ 308] x 100 = -37.34%
Formula
Percentage change = [(193 - 308) / 308] x 100
Subtract the new number by the original number
193 - 308 = -115
-115 ÷ 308 = -0.37337662337662336
-0.37337662337662336 x 100 = -37.34%