-58.6% is the change from 971 to 402
Calculation steps:
[( 402 - 971 ) ÷ 971] x 100 = -58.6%
Formula
Percentage change = [(402 - 971) / 971] x 100
Subtract the new number by the original number
402 - 971 = -569
-569 ÷ 971 = -0.5859938208032955
-0.5859938208032955 x 100 = -58.6%