-76.24% is the change from 930 to 221
Calculation steps:
[( 221 - 930 ) ÷ 930] x 100 = -76.24%
Formula
Percentage change = [(221 - 930) / 930] x 100
Subtract the new number by the original number
221 - 930 = -709
-709 ÷ 930 = -0.7623655913978494
-0.7623655913978494 x 100 = -76.24%