17.93% is the change from 781 to 921
Calculation steps:
[( 921 - 781 ) ÷ 781] x 100 = 17.93%
Formula
Percentage change = [(921 - 781) / 781] x 100
Subtract the new number by the original number
921 - 781 = 140
140 ÷ 781 = 0.1792573623559539
0.1792573623559539 x 100 = 17.93%