-13.33% is the change from 938 to 813
Calculation steps:
[( 813 - 938 ) ÷ 938] x 100 = -13.33%
Formula
Percentage change = [(813 - 938) / 938] x 100
Subtract the new number by the original number
813 - 938 = -125
-125 ÷ 938 = -0.13326226012793177
-0.13326226012793177 x 100 = -13.33%