134% is the change from 400 to 936
Calculation steps:
[( 936 - 400 ) ÷ 400] x 100 = 134%
Formula
Percentage change = [(936 - 400) / 400] x 100
Subtract the new number by the original number
936 - 400 = 536
536 ÷ 400 = 1.34
1.34 x 100 = 134%
Example