56.5% is the change from 177 to 277
Calculation steps:
[( 277 - 177 ) ÷ 177] x 100 = 56.5%
Formula
Percentage change = [(277 - 177) / 177] x 100
Subtract the new number by the original number
277 - 177 = 100
100 ÷ 177 = 0.5649717514124294
0.5649717514124294 x 100 = 56.5%