1267.5% is the change from 40 to 547
Calculation steps:
[( 547 - 40 ) ÷ 40] x 100 = 1267.5%
Formula
Percentage change = [(547 - 40) / 40] x 100
Subtract the new number by the original number
547 - 40 = 507
507 ÷ 40 = 12.675
12.675 x 100 = 1267.5%
Example