-20.14% is the change from 278 to 222
Calculation steps:
[( 222 - 278 ) ÷ 278] x 100 = -20.14%
Formula
Percentage change = [(222 - 278) / 278] x 100
Subtract the new number by the original number
222 - 278 = -56
-56 ÷ 278 = -0.2014388489208633
-0.2014388489208633 x 100 = -20.14%