-45.3% is the change from 914 to 500
Calculation steps:
[( 500 - 914 ) ÷ 914] x 100 = -45.3%
Formula
Percentage change = [(500 - 914) / 914] x 100
Subtract the new number by the original number
500 - 914 = -414
-414 ÷ 914 = -0.45295404814004375
-0.45295404814004375 x 100 = -45.3%