-30.98% is the change from 397 to 274
Calculation steps:
[( 274 - 397 ) ÷ 397] x 100 = -30.98%
Formula
Percentage change = [(274 - 397) / 397] x 100
Subtract the new number by the original number
274 - 397 = -123
-123 ÷ 397 = -0.30982367758186397
-0.30982367758186397 x 100 = -30.98%