-78.49% is the change from 930 to 200
Calculation steps:
[( 200 - 930 ) ÷ 930] x 100 = -78.49%
Formula
Percentage change = [(200 - 930) / 930] x 100
Subtract the new number by the original number
200 - 930 = -730
-730 ÷ 930 = -0.7849462365591398
-0.7849462365591398 x 100 = -78.49%