-10.66% is the change from 938 to 838
Calculation steps:
[( 838 - 938 ) ÷ 938] x 100 = -10.66%
Formula
Percentage change = [(838 - 938) / 938] x 100
Subtract the new number by the original number
838 - 938 = -100
-100 ÷ 938 = -0.10660980810234541
-0.10660980810234541 x 100 = -10.66%