-18.48% is the change from 276 to 225
Calculation steps:
[( 225 - 276 ) ÷ 276] x 100 = -18.48%
Formula
Percentage change = [(225 - 276) / 276] x 100
Subtract the new number by the original number
225 - 276 = -51
-51 ÷ 276 = -0.18478260869565216
-0.18478260869565216 x 100 = -18.48%