-34.89% is the change from 278 to 181
Calculation steps:
[( 181 - 278 ) ÷ 278] x 100 = -34.89%
Formula
Percentage change = [(181 - 278) / 278] x 100
Subtract the new number by the original number
181 - 278 = -97
-97 ÷ 278 = -0.3489208633093525
-0.3489208633093525 x 100 = -34.89%