-76.76% is the change from 921 to 214
Calculation steps:
[( 214 - 921 ) ÷ 921] x 100 = -76.76%
Formula
Percentage change = [(214 - 921) / 921] x 100
Subtract the new number by the original number
214 - 921 = -707
-707 ÷ 921 = -0.7676438653637351
-0.7676438653637351 x 100 = -76.76%