-97.01% is the change from 938 to 28
Calculation steps:
[( 28 - 938 ) ÷ 938] x 100 = -97.01%
Formula
Percentage change = [(28 - 938) / 938] x 100
Subtract the new number by the original number
28 - 938 = -910
-910 ÷ 938 = -0.9701492537313433
-0.9701492537313433 x 100 = -97.01%