66.79% is the change from 277 to 462
Calculation steps:
[( 462 - 277 ) ÷ 277] x 100 = 66.79%
Formula
Percentage change = [(462 - 277) / 277] x 100
Subtract the new number by the original number
462 - 277 = 185
185 ÷ 277 = 0.6678700361010831
0.6678700361010831 x 100 = 66.79%