19.94% is the change from 637 to 764
Calculation steps:
[( 764 - 637 ) ÷ 637] x 100 = 19.94%
Formula
Percentage change = [(764 - 637) / 637] x 100
Subtract the new number by the original number
764 - 637 = 127
127 ÷ 637 = 0.19937205651491366
0.19937205651491366 x 100 = 19.94%