-57% is the change from 914 to 393
Calculation steps:
[( 393 - 914 ) ÷ 914] x 100 = -57%
Formula
Percentage change = [(393 - 914) / 914] x 100
Subtract the new number by the original number
393 - 914 = -521
-521 ÷ 914 = -0.5700218818380745
-0.5700218818380745 x 100 = -57%