150% is the change from 302 to 755
Calculation steps:
[( 755 - 302 ) ÷ 302] x 100 = 150%
Formula
Percentage change = [(755 - 302) / 302] x 100
Subtract the new number by the original number
755 - 302 = 453
453 ÷ 302 = 1.5
1.5 x 100 = 150%
Example