-13.54% is the change from 938 to 811
Calculation steps:
[( 811 - 938 ) ÷ 938] x 100 = -13.54%
Formula
Percentage change = [(811 - 938) / 938] x 100
Subtract the new number by the original number
811 - 938 = -127
-127 ÷ 938 = -0.13539445628997868
-0.13539445628997868 x 100 = -13.54%