-66.59% is the change from 910 to 304
Calculation steps:
[( 304 - 910 ) ÷ 910] x 100 = -66.59%
Formula
Percentage change = [(304 - 910) / 910] x 100
Subtract the new number by the original number
304 - 910 = -606
-606 ÷ 910 = -0.6659340659340659
-0.6659340659340659 x 100 = -66.59%