-23.45% is the change from 921 to 705
Calculation steps:
[( 705 - 921 ) ÷ 921] x 100 = -23.45%
Formula
Percentage change = [(705 - 921) / 921] x 100
Subtract the new number by the original number
705 - 921 = -216
-216 ÷ 921 = -0.23452768729641693
-0.23452768729641693 x 100 = -23.45%