-50.11% is the change from 914 to 456
Calculation steps:
[( 456 - 914 ) ÷ 914] x 100 = -50.11%
Formula
Percentage change = [(456 - 914) / 914] x 100
Subtract the new number by the original number
456 - 914 = -458
-458 ÷ 914 = -0.5010940919037199
-0.5010940919037199 x 100 = -50.11%