-68.66% is the change from 970 to 304
Calculation steps:
[( 304 - 970 ) ÷ 970] x 100 = -68.66%
Formula
Percentage change = [(304 - 970) / 970] x 100
Subtract the new number by the original number
304 - 970 = -666
-666 ÷ 970 = -0.6865979381443299
-0.6865979381443299 x 100 = -68.66%