-77.54% is the change from 837 to 188
Calculation steps:
[( 188 - 837 ) ÷ 837] x 100 = -77.54%
Formula
Percentage change = [(188 - 837) / 837] x 100
Subtract the new number by the original number
188 - 837 = -649
-649 ÷ 837 = -0.7753882915173238
-0.7753882915173238 x 100 = -77.54%