70.4% is the change from 277 to 472
Calculation steps:
[( 472 - 277 ) ÷ 277] x 100 = 70.4%
Formula
Percentage change = [(472 - 277) / 277] x 100
Subtract the new number by the original number
472 - 277 = 195
195 ÷ 277 = 0.703971119133574
0.703971119133574 x 100 = 70.4%