-34.01% is the change from 397 to 262
Calculation steps:
[( 262 - 397 ) ÷ 397] x 100 = -34.01%
Formula
Percentage change = [(262 - 397) / 397] x 100
Subtract the new number by the original number
262 - 397 = -135
-135 ÷ 397 = -0.34005037783375314
-0.34005037783375314 x 100 = -34.01%