-79.21% is the change from 957 to 199
Calculation steps:
[( 199 - 957 ) ÷ 957] x 100 = -79.21%
Formula
Percentage change = [(199 - 957) / 957] x 100
Subtract the new number by the original number
199 - 957 = -758
-758 ÷ 957 = -0.7920585161964472
-0.7920585161964472 x 100 = -79.21%