-92.96% is the change from 938 to 66
Calculation steps:
[( 66 - 938 ) ÷ 938] x 100 = -92.96%
Formula
Percentage change = [(66 - 938) / 938] x 100
Subtract the new number by the original number
66 - 938 = -872
-872 ÷ 938 = -0.929637526652452
-0.929637526652452 x 100 = -92.96%