-84.87% is the change from 912 to 138
Calculation steps:
[( 138 - 912 ) ÷ 912] x 100 = -84.87%
Formula
Percentage change = [(138 - 912) / 912] x 100
Subtract the new number by the original number
138 - 912 = -774
-774 ÷ 912 = -0.8486842105263158
-0.8486842105263158 x 100 = -84.87%