-22.74% is the change from 277 to 214
Calculation steps:
[( 214 - 277 ) ÷ 277] x 100 = -22.74%
Formula
Percentage change = [(214 - 277) / 277] x 100
Subtract the new number by the original number
214 - 277 = -63
-63 ÷ 277 = -0.22743682310469315
-0.22743682310469315 x 100 = -22.74%