76.43% is the change from 157 to 277
Calculation steps:
[( 277 - 157 ) ÷ 157] x 100 = 76.43%
Formula
Percentage change = [(277 - 157) / 157] x 100
Subtract the new number by the original number
277 - 157 = 120
120 ÷ 157 = 0.7643312101910829
0.7643312101910829 x 100 = 76.43%