-77.2% is the change from 930 to 212
Calculation steps:
[( 212 - 930 ) ÷ 930] x 100 = -77.2%
Formula
Percentage change = [(212 - 930) / 930] x 100
Subtract the new number by the original number
212 - 930 = -718
-718 ÷ 930 = -0.7720430107526882
-0.7720430107526882 x 100 = -77.2%