-74.55% is the change from 837 to 213
Calculation steps:
[( 213 - 837 ) ÷ 837] x 100 = -74.55%
Formula
Percentage change = [(213 - 837) / 837] x 100
Subtract the new number by the original number
213 - 837 = -624
-624 ÷ 837 = -0.7455197132616488
-0.7455197132616488 x 100 = -74.55%