57.4% is the change from 277 to 436
Calculation steps:
[( 436 - 277 ) ÷ 277] x 100 = 57.4%
Formula
Percentage change = [(436 - 277) / 277] x 100
Subtract the new number by the original number
436 - 277 = 159
159 ÷ 277 = 0.5740072202166066
0.5740072202166066 x 100 = 57.4%