-76.97% is the change from 304 to 70
Calculation steps:
[( 70 - 304 ) ÷ 304] x 100 = -76.97%
Formula
Percentage change = [(70 - 304) / 304] x 100
Subtract the new number by the original number
70 - 304 = -234
-234 ÷ 304 = -0.7697368421052632
-0.7697368421052632 x 100 = -76.97%