-19.58% is the change from 240 to 193
Calculation steps:
[( 193 - 240 ) ÷ 240] x 100 = -19.58%
Formula
Percentage change = [(193 - 240) / 240] x 100
Subtract the new number by the original number
193 - 240 = -47
-47 ÷ 240 = -0.19583333333333333
-0.19583333333333333 x 100 = -19.58%