-76.49% is the change from 838 to 197
Calculation steps:
[( 197 - 838 ) ÷ 838] x 100 = -76.49%
Formula
Percentage change = [(197 - 838) / 838] x 100
Subtract the new number by the original number
197 - 838 = -641
-641 ÷ 838 = -0.7649164677804295
-0.7649164677804295 x 100 = -76.49%