86.49% is the change from 370 to 690
Calculation steps:
[( 690 - 370 ) ÷ 370] x 100 = 86.49%
Formula
Percentage change = [(690 - 370) / 370] x 100
Subtract the new number by the original number
690 - 370 = 320
320 ÷ 370 = 0.8648648648648649
0.8648648648648649 x 100 = 86.49%