-75.9% is the change from 921 to 222
Calculation steps:
[( 222 - 921 ) ÷ 921] x 100 = -75.9%
Formula
Percentage change = [(222 - 921) / 921] x 100
Subtract the new number by the original number
222 - 921 = -699
-699 ÷ 921 = -0.758957654723127
-0.758957654723127 x 100 = -75.9%