-23.47% is the change from 277 to 212
Calculation steps:
[( 212 - 277 ) ÷ 277] x 100 = -23.47%
Formula
Percentage change = [(212 - 277) / 277] x 100
Subtract the new number by the original number
212 - 277 = -65
-65 ÷ 277 = -0.23465703971119134
-0.23465703971119134 x 100 = -23.47%