-75.37% is the change from 938 to 231
Calculation steps:
[( 231 - 938 ) ÷ 938] x 100 = -75.37%
Formula
Percentage change = [(231 - 938) / 938] x 100
Subtract the new number by the original number
231 - 938 = -707
-707 ÷ 938 = -0.753731343283582
-0.753731343283582 x 100 = -75.37%