-89.37% is the change from 837 to 89
Calculation steps:
[( 89 - 837 ) ÷ 837] x 100 = -89.37%
Formula
Percentage change = [(89 - 837) / 837] x 100
Subtract the new number by the original number
89 - 837 = -748
-748 ÷ 837 = -0.8936678614097969
-0.8936678614097969 x 100 = -89.37%