-28% is the change from 843 to 607
Calculation steps:
[( 607 - 843 ) ÷ 843] x 100 = -28%
Formula
Percentage change = [(607 - 843) / 843] x 100
Subtract the new number by the original number
607 - 843 = -236
-236 ÷ 843 = -0.27995255041518385
-0.27995255041518385 x 100 = -28%