-78.8% is the change from 934 to 198
Calculation steps:
[( 198 - 934 ) ÷ 934] x 100 = -78.8%
Formula
Percentage change = [(198 - 934) / 934] x 100
Subtract the new number by the original number
198 - 934 = -736
-736 ÷ 934 = -0.7880085653104925
-0.7880085653104925 x 100 = -78.8%