51.3% is the change from 655 to 991
Calculation steps:
[( 991 - 655 ) ÷ 655] x 100 = 51.3%
Formula
Percentage change = [(991 - 655) / 655] x 100
Subtract the new number by the original number
991 - 655 = 336
336 ÷ 655 = 0.5129770992366413
0.5129770992366413 x 100 = 51.3%