65.57% is the change from 456 to 755
Calculation steps:
[( 755 - 456 ) ÷ 456] x 100 = 65.57%
Formula
Percentage change = [(755 - 456) / 456] x 100
Subtract the new number by the original number
755 - 456 = 299
299 ÷ 456 = 0.6557017543859649
0.6557017543859649 x 100 = 65.57%