80.86% is the change from 371 to 671
Calculation steps:
[( 671 - 371 ) ÷ 371] x 100 = 80.86%
Formula
Percentage change = [(671 - 371) / 371] x 100
Subtract the new number by the original number
671 - 371 = 300
300 ÷ 371 = 0.8086253369272237
0.8086253369272237 x 100 = 80.86%