-50.66% is the change from 914 to 451
Calculation steps:
[( 451 - 914 ) ÷ 914] x 100 = -50.66%
Formula
Percentage change = [(451 - 914) / 914] x 100
Subtract the new number by the original number
451 - 914 = -463
-463 ÷ 914 = -0.5065645514223195
-0.5065645514223195 x 100 = -50.66%