-75.68% is the change from 921 to 224
Calculation steps:
[( 224 - 921 ) ÷ 921] x 100 = -75.68%
Formula
Percentage change = [(224 - 921) / 921] x 100
Subtract the new number by the original number
224 - 921 = -697
-697 ÷ 921 = -0.756786102062975
-0.756786102062975 x 100 = -75.68%