-32.52% is the change from 938 to 633
Calculation steps:
[( 633 - 938 ) ÷ 938] x 100 = -32.52%
Formula
Percentage change = [(633 - 938) / 938] x 100
Subtract the new number by the original number
633 - 938 = -305
-305 ÷ 938 = -0.3251599147121535
-0.3251599147121535 x 100 = -32.52%