-70.39% is the change from 304 to 90
Calculation steps:
[( 90 - 304 ) ÷ 304] x 100 = -70.39%
Formula
Percentage change = [(90 - 304) / 304] x 100
Subtract the new number by the original number
90 - 304 = -214
-214 ÷ 304 = -0.7039473684210527
-0.7039473684210527 x 100 = -70.39%