63.11% is the change from 591 to 964
Calculation steps:
[( 964 - 591 ) ÷ 591] x 100 = 63.11%
Formula
Percentage change = [(964 - 591) / 591] x 100
Subtract the new number by the original number
964 - 591 = 373
373 ÷ 591 = 0.6311336717428088
0.6311336717428088 x 100 = 63.11%