-77.06% is the change from 837 to 192
Calculation steps:
[( 192 - 837 ) ÷ 837] x 100 = -77.06%
Formula
Percentage change = [(192 - 837) / 837] x 100
Subtract the new number by the original number
192 - 837 = -645
-645 ÷ 837 = -0.7706093189964157
-0.7706093189964157 x 100 = -77.06%