-25.42% is the change from 842 to 628
Calculation steps:
[( 628 - 842 ) ÷ 842] x 100 = -25.42%
Formula
Percentage change = [(628 - 842) / 842] x 100
Subtract the new number by the original number
628 - 842 = -214
-214 ÷ 842 = -0.25415676959619954
-0.25415676959619954 x 100 = -25.42%