-15.08% is the change from 902 to 766
Calculation steps:
[( 766 - 902 ) ÷ 902] x 100 = -15.08%
Formula
Percentage change = [(766 - 902) / 902] x 100
Subtract the new number by the original number
766 - 902 = -136
-136 ÷ 902 = -0.15077605321507762
-0.15077605321507762 x 100 = -15.08%