-84.01% is the change from 838 to 134
Calculation steps:
[( 134 - 838 ) ÷ 838] x 100 = -84.01%
Formula
Percentage change = [(134 - 838) / 838] x 100
Subtract the new number by the original number
134 - 838 = -704
-704 ÷ 838 = -0.8400954653937948
-0.8400954653937948 x 100 = -84.01%