-68.65% is the change from 973 to 305
Calculation steps:
[( 305 - 973 ) ÷ 973] x 100 = -68.65%
Formula
Percentage change = [(305 - 973) / 973] x 100
Subtract the new number by the original number
305 - 973 = -668
-668 ÷ 973 = -0.6865364850976362
-0.6865364850976362 x 100 = -68.65%