-54.12% is the change from 619 to 284
Calculation steps:
[( 284 - 619 ) ÷ 619] x 100 = -54.12%
Formula
Percentage change = [(284 - 619) / 619] x 100
Subtract the new number by the original number
284 - 619 = -335
-335 ÷ 619 = -0.5411954765751211
-0.5411954765751211 x 100 = -54.12%