-76.08% is the change from 924 to 221
Calculation steps:
[( 221 - 924 ) ÷ 924] x 100 = -76.08%
Formula
Percentage change = [(221 - 924) / 924] x 100
Subtract the new number by the original number
221 - 924 = -703
-703 ÷ 924 = -0.7608225108225108
-0.7608225108225108 x 100 = -76.08%