-26.88% is the change from 837 to 612
Calculation steps:
[( 612 - 837 ) ÷ 837] x 100 = -26.88%
Formula
Percentage change = [(612 - 837) / 837] x 100
Subtract the new number by the original number
612 - 837 = -225
-225 ÷ 837 = -0.26881720430107525
-0.26881720430107525 x 100 = -26.88%