-66.52% is the change from 914 to 306
Calculation steps:
[( 306 - 914 ) ÷ 914] x 100 = -66.52%
Formula
Percentage change = [(306 - 914) / 914] x 100
Subtract the new number by the original number
306 - 914 = -608
-608 ÷ 914 = -0.6652078774617067
-0.6652078774617067 x 100 = -66.52%