-34.15% is the change from 284 to 187
Calculation steps:
[( 187 - 284 ) ÷ 284] x 100 = -34.15%
Formula
Percentage change = [(187 - 284) / 284] x 100
Subtract the new number by the original number
187 - 284 = -97
-97 ÷ 284 = -0.3415492957746479
-0.3415492957746479 x 100 = -34.15%