-34.3% is the change from 930 to 611
Calculation steps:
[( 611 - 930 ) ÷ 930] x 100 = -34.3%
Formula
Percentage change = [(611 - 930) / 930] x 100
Subtract the new number by the original number
611 - 930 = -319
-319 ÷ 930 = -0.34301075268817205
-0.34301075268817205 x 100 = -34.3%