-15.05% is the change from 910 to 773
Calculation steps:
[( 773 - 910 ) ÷ 910] x 100 = -15.05%
Formula
Percentage change = [(773 - 910) / 910] x 100
Subtract the new number by the original number
773 - 910 = -137
-137 ÷ 910 = -0.15054945054945054
-0.15054945054945054 x 100 = -15.05%