-17.43% is the change from 637 to 526
Calculation steps:
[( 526 - 637 ) ÷ 637] x 100 = -17.43%
Formula
Percentage change = [(526 - 637) / 637] x 100
Subtract the new number by the original number
526 - 637 = -111
-111 ÷ 637 = -0.17425431711145997
-0.17425431711145997 x 100 = -17.43%