-59.68% is the change from 997 to 402
Calculation steps:
[( 402 - 997 ) ÷ 997] x 100 = -59.68%
Formula
Percentage change = [(402 - 997) / 997] x 100
Subtract the new number by the original number
402 - 997 = -595
-595 ÷ 997 = -0.59679037111334
-0.59679037111334 x 100 = -59.68%