-65.74% is the change from 902 to 309
Calculation steps:
[( 309 - 902 ) ÷ 902] x 100 = -65.74%
Formula
Percentage change = [(309 - 902) / 902] x 100
Subtract the new number by the original number
309 - 902 = -593
-593 ÷ 902 = -0.6574279379157428
-0.6574279379157428 x 100 = -65.74%