-18.77% is the change from 277 to 225
Calculation steps:
[( 225 - 277 ) ÷ 277] x 100 = -18.77%
Formula
Percentage change = [(225 - 277) / 277] x 100
Subtract the new number by the original number
225 - 277 = -52
-52 ÷ 277 = -0.18772563176895307
-0.18772563176895307 x 100 = -18.77%