131.99% is the change from 397 to 921
Calculation steps:
[( 921 - 397 ) ÷ 397] x 100 = 131.99%
Formula
Percentage change = [(921 - 397) / 397] x 100
Subtract the new number by the original number
921 - 397 = 524
524 ÷ 397 = 1.3198992443324937
1.3198992443324937 x 100 = 131.99%