143% is the change from 400 to 972
Calculation steps:
[( 972 - 400 ) ÷ 400] x 100 = 143%
Formula
Percentage change = [(972 - 400) / 400] x 100
Subtract the new number by the original number
972 - 400 = 572
572 ÷ 400 = 1.43
1.43 x 100 = 143%
Example