8.47% is the change from 177 to 192
Calculation steps:
[( 192 - 177 ) ÷ 177] x 100 = 8.47%
Formula
Percentage change = [(192 - 177) / 177] x 100
Subtract the new number by the original number
192 - 177 = 15
15 ÷ 177 = 0.0847457627118644
0.0847457627118644 x 100 = 8.47%