-23.95% is the change from 902 to 686
Calculation steps:
[( 686 - 902 ) ÷ 902] x 100 = -23.95%
Formula
Percentage change = [(686 - 902) / 902] x 100
Subtract the new number by the original number
686 - 902 = -216
-216 ÷ 902 = -0.2394678492239468
-0.2394678492239468 x 100 = -23.95%