-20.53% is the change from 302 to 240
Calculation steps:
[( 240 - 302 ) ÷ 302] x 100 = -20.53%
Formula
Percentage change = [(240 - 302) / 302] x 100
Subtract the new number by the original number
240 - 302 = -62
-62 ÷ 302 = -0.2052980132450331
-0.2052980132450331 x 100 = -20.53%