-77.42% is the change from 921 to 208
Calculation steps:
[( 208 - 921 ) ÷ 921] x 100 = -77.42%
Formula
Percentage change = [(208 - 921) / 921] x 100
Subtract the new number by the original number
208 - 921 = -713
-713 ÷ 921 = -0.7741585233441911
-0.7741585233441911 x 100 = -77.42%