22.05% is the change from 644 to 786
Calculation steps:
[( 786 - 644 ) ÷ 644] x 100 = 22.05%
Formula
Percentage change = [(786 - 644) / 644] x 100
Subtract the new number by the original number
786 - 644 = 142
142 ÷ 644 = 0.2204968944099379
0.2204968944099379 x 100 = 22.05%