76.97% is the change from 178 to 315
Calculation steps:
[( 315 - 178 ) ÷ 178] x 100 = 76.97%
Formula
Percentage change = [(315 - 178) / 178] x 100
Subtract the new number by the original number
315 - 178 = 137
137 ÷ 178 = 0.7696629213483146
0.7696629213483146 x 100 = 76.97%