-33.8% is the change from 284 to 188
Calculation steps:
[( 188 - 284 ) ÷ 284] x 100 = -33.8%
Formula
Percentage change = [(188 - 284) / 284] x 100
Subtract the new number by the original number
188 - 284 = -96
-96 ÷ 284 = -0.3380281690140845
-0.3380281690140845 x 100 = -33.8%