-18.21% is the change from 291 to 238
Calculation steps:
[( 238 - 291 ) ÷ 291] x 100 = -18.21%
Formula
Percentage change = [(238 - 291) / 291] x 100
Subtract the new number by the original number
238 - 291 = -53
-53 ÷ 291 = -0.18213058419243985
-0.18213058419243985 x 100 = -18.21%