-65.63% is the change from 902 to 310
Calculation steps:
[( 310 - 902 ) ÷ 902] x 100 = -65.63%
Formula
Percentage change = [(310 - 902) / 902] x 100
Subtract the new number by the original number
310 - 902 = -592
-592 ÷ 902 = -0.656319290465632
-0.656319290465632 x 100 = -65.63%