73% is the change from 263 to 455
Calculation steps:
[( 455 - 263 ) ÷ 263] x 100 = 73%
Formula
Percentage change = [(455 - 263) / 263] x 100
Subtract the new number by the original number
455 - 263 = 192
192 ÷ 263 = 0.7300380228136882
0.7300380228136882 x 100 = 73%