-83.48% is the change from 938 to 155
Calculation steps:
[( 155 - 938 ) ÷ 938] x 100 = -83.48%
Formula
Percentage change = [(155 - 938) / 938] x 100
Subtract the new number by the original number
155 - 938 = -783
-783 ÷ 938 = -0.8347547974413646
-0.8347547974413646 x 100 = -83.48%