-57.14% is the change from 938 to 402
Calculation steps:
[( 402 - 938 ) ÷ 938] x 100 = -57.14%
Formula
Percentage change = [(402 - 938) / 938] x 100
Subtract the new number by the original number
402 - 938 = -536
-536 ÷ 938 = -0.5714285714285714
-0.5714285714285714 x 100 = -57.14%