-25.57% is the change from 833 to 620
Calculation steps:
[( 620 - 833 ) ÷ 833] x 100 = -25.57%
Formula
Percentage change = [(620 - 833) / 833] x 100
Subtract the new number by the original number
620 - 833 = -213
-213 ÷ 833 = -0.25570228091236497
-0.25570228091236497 x 100 = -25.57%