-69.49% is the change from 921 to 281
Calculation steps:
[( 281 - 921 ) ÷ 921] x 100 = -69.49%
Formula
Percentage change = [(281 - 921) / 921] x 100
Subtract the new number by the original number
281 - 921 = -640
-640 ÷ 921 = -0.6948968512486428
-0.6948968512486428 x 100 = -69.49%