-78.69% is the change from 934 to 199
Calculation steps:
[( 199 - 934 ) ÷ 934] x 100 = -78.69%
Formula
Percentage change = [(199 - 934) / 934] x 100
Subtract the new number by the original number
199 - 934 = -735
-735 ÷ 934 = -0.7869379014989293
-0.7869379014989293 x 100 = -78.69%