-66.08% is the change from 902 to 306
Calculation steps:
[( 306 - 902 ) ÷ 902] x 100 = -66.08%
Formula
Percentage change = [(306 - 902) / 902] x 100
Subtract the new number by the original number
306 - 902 = -596
-596 ÷ 902 = -0.6607538802660754
-0.6607538802660754 x 100 = -66.08%