-77.51% is the change from 938 to 211
Calculation steps:
[( 211 - 938 ) ÷ 938] x 100 = -77.51%
Formula
Percentage change = [(211 - 938) / 938] x 100
Subtract the new number by the original number
211 - 938 = -727
-727 ÷ 938 = -0.7750533049040512
-0.7750533049040512 x 100 = -77.51%