655% is the change from 40 to 302
Calculation steps:
[( 302 - 40 ) ÷ 40] x 100 = 655%
Formula
Percentage change = [(302 - 40) / 40] x 100
Subtract the new number by the original number
302 - 40 = 262
262 ÷ 40 = 6.55
6.55 x 100 = 655%
Example