-77.21% is the change from 939 to 214
Calculation steps:
[( 214 - 939 ) ÷ 939] x 100 = -77.21%
Formula
Percentage change = [(214 - 939) / 939] x 100
Subtract the new number by the original number
214 - 939 = -725
-725 ÷ 939 = -0.77209797657082
-0.77209797657082 x 100 = -77.21%