87.37% is the change from 491 to 920
Calculation steps:
[( 920 - 491 ) ÷ 491] x 100 = 87.37%
Formula
Percentage change = [(920 - 491) / 491] x 100
Subtract the new number by the original number
920 - 491 = 429
429 ÷ 491 = 0.8737270875763747
0.8737270875763747 x 100 = 87.37%