-84.15% is the change from 284 to 45
Calculation steps:
[( 45 - 284 ) ÷ 284] x 100 = -84.15%
Formula
Percentage change = [(45 - 284) / 284] x 100
Subtract the new number by the original number
45 - 284 = -239
-239 ÷ 284 = -0.8415492957746479
-0.8415492957746479 x 100 = -84.15%