-29.38% is the change from 388 to 274
Calculation steps:
[( 274 - 388 ) ÷ 388] x 100 = -29.38%
Formula
Percentage change = [(274 - 388) / 388] x 100
Subtract the new number by the original number
274 - 388 = -114
-114 ÷ 388 = -0.29381443298969073
-0.29381443298969073 x 100 = -29.38%