-77.1% is the change from 930 to 213
Calculation steps:
[( 213 - 930 ) ÷ 930] x 100 = -77.1%
Formula
Percentage change = [(213 - 930) / 930] x 100
Subtract the new number by the original number
213 - 930 = -717
-717 ÷ 930 = -0.7709677419354839
-0.7709677419354839 x 100 = -77.1%