-65.63% is the change from 838 to 288
Calculation steps:
[( 288 - 838 ) ÷ 838] x 100 = -65.63%
Formula
Percentage change = [(288 - 838) / 838] x 100
Subtract the new number by the original number
288 - 838 = -550
-550 ÷ 838 = -0.6563245823389021
-0.6563245823389021 x 100 = -65.63%